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Container gardening 2014-notes


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Container gardening 2014-notes

  1. 1. 11/1/2014 1 © Project SOUND Out of the Wilds and Into Your Garden Gardening with California Native Plants in Western L.A. County Project SOUND – 2014 (our 10th year) © Project SOUND Planning a Pot: container gardening with California native plants C.M. Vadheim and T. Drake CSUDH & Madrona Marsh Preserve Madrona Marsh Preserve November 1 & 6, 2014 Fortunately, many gardens have shady seating areas © Project SOUND © Project SOUND Today we’ll see how some design principles can help you design a prettier balcony, porch or patio with native plants in containers
  2. 2. 11/1/2014 2 © Project SOUND Portugal Why does this grouping ‘work’? © Project SOUND © Project SOUND Reason 1: repetition with-flowers-plants-9.jpg © Project SOUND Reason 1: repetition Repeating a design element adds simplicity and order to the design Designs with little repetition look chaotic – there is too much variety
  3. 3. 11/1/2014 3 Why does this grouping ‘work’? © Project SOUND © Project SOUND Reason 2: variety © Project SOUND Reason 2: variety Eaton-Sq-(2).jpg Too little variety – particularly in shape, or foliage color or texture – is boring. This grouping ‘works’ for another reason © Project SOUND
  4. 4. 11/1/2014 4 © Project SOUND Reason 3: use of vertical space © Project SOUND Reason 3: vertical space Creative-and-Smart-Apartment-Balcony-Garden-With-Potted-Plants.jpg © Project SOUND Reason 3: vertical space apartment-in-floor-building-of-linnestaden-balcony.jpg Good use of vertical space increases the variety and appears more ‘natural’ (and therefore pleasing) Some sort of trellis with vine/climber as natural- looking background layer © Project SOUND
  5. 5. 11/1/2014 5 Needed: smaller vine/climber for background © Project SOUND Grape – too large Morning-glory – too invasive Honeysuckle – too pink © Project SOUND Climbing Penstemon - Keckiella cordifolia © Project SOUND Characteristics of Climbing Penstemon A woody vine/ open climbing shrub Size: usually 3-6 ft long (to 15 ft); fast- growing Sprawling – often found growing through other plants Evergreen in mild climates with a little watering, deciduous in winter cold or under drought stress. © Project SOUND Who could resist such a pretty flower? Blooms: May-Jul Flowers: bright orange- red to deep red in clusters – very showy Excellent summer nectar source: Hummingbirds Butterflies Bees, etc. Birds also eat the seed Added value: color and habitat value
  6. 6. 11/1/2014 6 © Project SOUND Tricks for gardening with Climbing Penstemon Does best in light shade Likes any well-drained soil Probably lives longer with little/no summer water, but it can be kept green with modest waterings Prefers cool roots, so consider mulching with organic mulch Prune only to remove dead branches or to shape © Project SOUND Climbing Penstemon in the garden Great summer color in dry shady areas –really showy Good under oaks Excellent habitat On slopes As backdrop for other plants – attractive leaves with some summer water Can be trained to “climb” if given support © Project SOUND Will need to be trained…. An alternative would be a larger shrub – pruned/trained to decrease it’s depth © Project SOUND We’ll need to find one that likes shade and does well in a large pot
  7. 7. 11/1/2014 7 © Project SOUND California huckleberry – Vaccinium ovatum Beatrice F. Howitt © California Academy of Sciences Western N. America from central CA to British Columbia S. to Santa Barbara, N. Channel Islands; El Cajon & Bottle Peak (near Escondido) in San Diego Co. Dry, shaded slopes; moister, woodland edges Occurs not too far from near the coast, often in the ‘fog belt’ from sea level to 3,000 feet (0-914 m) © Project SOUND California huckleberry – Vaccinium ovatum © Project SOUND CA huckleberry – blueberry-like shrub Size: 3-6 ft tall  3-5+ ft wide Growth form: Evergreen shrub Slow-growing Informal shape Many slender branches –delicate appearance Foliage: Leaves medium green, simple, leathery Somewhat like camelia Used extensively as greenery in florist’s trade ©2014 Jean Pawek ©2014 Jean Pawek © Project SOUND Flowers: typical Heath family Blooms: in spring; usually Feb- Apr in S. CA Flowers: Pink or white Small and urn-like (think: manzanita) Hummingbirds and large (long- tongued) bees love them Sweet fragrance ©2010 Neal Kramer
  8. 8. 11/1/2014 8 Berries are delicious – even raw Ripen in summer into fall: ripe fruits are dark and often shiny Used extensively in jams, jellies, pies, wine, baked goods, etc. Huckleberry fruits contain high concentrations of both mono- and disaccharides (sweet) They also are rich in vitamin C Birds and critters will eat what you leave them © Project SOUND ©2008 Zoya Akulova © Project SOUND Shade in S. CA Soils: Texture: well-drained; sandy/gravel pH: acidic – pH 4.0-6.0 Light: Morning sun or high/dappled shade (under trees) to quite shady Water: Winter: adequate rain (remember, it comes from the north) Summer: best if watered every week or so; Water Zone 2-3 Fertilizer: likes poor soils; may need to use ½ strength acid fertilizer (‘blueberry/azalea fertilizer’) Other: Prune after flowering Don’t like to be moved ©2014 Jean Pawek © Project SOUND California huckleberry In the berry patch As an accent plant For a life-friendly hedge As an interesting container plant Cultivar ‘Blue Madonna’ Slightly smaller, even in the shade; slower growing All the other good qualities of the species Grow Native W.L.A. Nursery has it now Suncrest Nurseries grows it – may be available at Lowes, Armstrong © Project SOUND part-of-yard-with-edible-landscapes-western-new-york/
  9. 9. 11/1/2014 9 Why grow ‘blueberries’ in a pot? Allows you to grow them in gardens with no shady soil (patios; balconies; roof gardens) They are pretty – accent plant Allows you to give them the cool root conditions they need Allows you to water them a bit more than the rest of the garden Allows you to tailor the soil conditions to the plant: Increase the drainage Lower the pH © Project SOUND garden/garden/guides/how-to-grow-the-best-blueberries/ Many forest plants – and those from the Northwest – like these conditions Specialty soils for acid-loving plants that need a little water Purchase an acidic potting mix (used for azaleas, gardenias, camellias) Mix 1 (slightly acidic) 4 parts potting soil 1 part sharp (not playground) sand or perlite Mix 2 (more acidic) 30% peat moss 50% good quality potting mix 20% perlite Mix 3 (acid with better drainage) 1 part 1/4" pathway bark 1 part peat moss 1 part forest-byproduct- based potting soil (azalea mix or acid plant mix) 1 handful of soil sulfur per plant © Project SOUND mulches/azalea-camellia-gardenia-planting-mix.html Growing acid-loving berry plants in containers Start with a large container Use an acidic potting soil Fertilize (half strength) with organic acid fertilizer or cottonseed meal in spring & again in early summer Mulch/top-dress yearly w/ pine needles or pine bark (composted is best) You can add a decorative mulch on top of the pine needles © Project SOUND Small gardens have limited space © Project SOUND It’s still possible to use vertical space creatively Plant & hardscape must be chosen thoughtfully
  10. 10. 11/1/2014 10 Need a little foliage interest/contrast – designing the mid-ground © Project SOUND © Project SOUND Oregon Grape – Mahonia (Berberis) aquifolium © 2006 Louis-M. Landry © Project SOUND Oregon Grape is a popular home shrub foundation plant mass plantings shrub border contraasts well with other broadleaf evergreens useful in shady spots ‘Compacta’ © Project SOUND Creeping Barberry (Berberis/Mahonia repens) Most often used as a low natural groundcover Evergreen; low-growing Easy to grow Fills in to cover an area Interesting, attractive foliage Bright spring flowers; winter foliage color Great under trees; other shady areas To attract fruit-eating birds Fine in pots/planters
  11. 11. 11/1/2014 11 © Project SOUND Cascade barberry – Berberis (Mahonia) nervosa Br. Alfred Brousseau, Saint Mary's College Coastal N. America from British Columbia to N. CA Northwestern California, n High Sierra Nevada (Sierra Co.), San Francisco Bay Area, n South Coast Ranges Open or shaded woods, slopes; moist or somewhat dry (for the Pacific Northwest) areas below 6000 ft. Elevation Coarse, shallow, rocky soils, coarse alluvium, or glacial outwash © Project SOUND Cascade barberry – Berberis (Mahonia) nervosa ©2011 Jean Pawek © Project SOUND Cascade barberry – like a short Oregon grape Size: 2-3 ft tall  2-3+ ft wide (slowly spreading) Growth form: Evergreen shrub Erect to mounded; leaves all from central stem Woodsy appearance Foliage: Large compound leaves Leaflets like holly-leaves – spiny margins Roots: deep roots – don’t move after established ©2011 Jean Pawek © 2006, G. D. Carr © Project SOUND Flowers: like sunshine Blooms: in late winter to early spring – Feb-April depending on weather; may also bloom off & on later Flowers: Bright yellow – brilliant against darker foliage Small flowers, in parts of 6 (typical for Family) Clusters open to dense – probably dependent on light Hummingbirds eat nectar Vegetative: most reproduction from rhizomes after disturbance (fire) Robert Potts © California Academy of Sciences © 2006, G. D. Carr
  12. 12. 11/1/2014 12 Like other Berberis, fruits are a treat Can be eaten fresh – but expect to pucker Quite tart – often combined with apples or other sweeter berries in coked and baked goods Used for jam, jelly, juice, syrup, pie, baked goods Birds and animals like the fruits too © Project SOUND © Clayton J. Antieau Fruit, roots & bark used medicinally Raw fruit: tonic and gentle laxative Roots/bark – as infusion/ decoction (tea) As an eyewash for itchy eyes To wash sores, psoriasis To soak arthritic joints Ingested as general tonic For GI upsets and infections (anti-bacterial compounds) © Project SOUND © 2004, Marcia Mellinger Bark scrapings, roots & root bark make nice yellow dye Come see natural dyes in action Naturally dyed yarns and fabrics in quilts, needlepoint, knitting and more! Sunday, November 2, 2014, 4 pm to 6 pm Madrona Marsh Nature Center 3201 Plaza Del Amo Torrance, CA 90503 310-782-3989 © Project SOUND California Colors: Fiberworks using Local Natural Dyes © Project SOUND Plant Requirements Soils: Texture: most pH: wide range - any local Light: In S. CA needs some shade: morning sun, dappled shade Will even grow in quite shady spots Water: Winter: adequate Summer: best if slightly moist with occasional dry – Water Zone 2-3 (weekly) Fertilizer: best with organic mulch and yearly ½ strength fertilizer Other: prune off dead leaves as needed Plants are slow to establish (typical of Berberis) and will remain happy in a pot for some time
  13. 13. 11/1/2014 13 © Project SOUND Cascade barberry Most often used as an evergreen groundcover under trees In a woodland or habitat garden Makes a unique pot plant ©2011 Jean Pawek So many choices!!!! © Project SOUND Italian style Tuscan style Shape is important: aesthetics vs. practicality © Project SOUND square-shape-black.jpg Remember: you will be repotting plants periodically Big containers for big plants (even trees) © Project SOUND
  14. 14. 11/1/2014 14 How big a pot? Good rule of thumb: big enough for 2-3 year’s growth (learn enough about the plant’s growth to judge) Go big - the smallest (for small plants) should be 2.5 gallon Bigger can be better: Allows room for plants to grow Easier to maintain correct soil moisture Easier to maintain temperature © Project SOUND Visit the container garden at Rancho Santa Ana Botanic Garden © Project SOUND What’s the deal with CA natives in tall pots? © Project SOUND Advantages of tall, square pots Good for small areas like patios, balconies Easier to keep roots cool (in shady location) More soil – square pot holds 50% more soil than round Easier to water properly Allows native plants with deep roots to develop more normal root systems Advice on size: tailor size and shape to plant’s root system © Project SOUND
  15. 15. 11/1/2014 15 Will Berberis work for this small patio? © Project SOUND Perhaps something smaller with the same feel? Plants to grow in groupings: consider the natural associates Western sword fern (Polystichum munitum) Lonicera hispidula Heuchera micrantha Sedum spathulifolium Festuca californica Fragaria vesca Mimulus aurantiacus Achillea millefolium © Project SOUND But one of the advantages of container gardening is that you can grow plants with very different soil/water requirements © Project SOUND This may be how you think of ferns © Project SOUND But ferns can be very useful in smaller outdoor gardens
  16. 16. 11/1/2014 16 Pete Veilleux - East Bay Wilds Native Plant Nursery © Project SOUND Penstemon procerus - Small-flowered Penstemon, Offspring of White Sprite Dudleya, and Sedum spathulifolium purpurea and S. spathulifolia 'Cape Blanco' Ferns look lovely alone or as greenery in mixed pots © Project SOUND Aspidotis californica and Unknown Dudleya from Baja, Aspidotis californica - California Cliffbrake, Sedum spathulifolium - Stonecrop An easy way to succeed (in creating mixed pots) is to plant species that naturally grow together © Project SOUND California maidenhair – Adiantum jordanii ©2006 Steve Matson CA Floristic Province – San Diego Co. to S. OR Locally: Catalina & San Clemente Isl, Santa Monica Mtns Shaded hillsides, moist woods, on damp banks at base of rocks and trees (pine; oak), mostly < 3500' © Project SOUND California maidenhair – Adiantum jordanii 1112555888/adjo/
  17. 17. 11/1/2014 17 © Project SOUND Delicate-appearing Maidenhair Size:  1-2 ft tall  1-2 ft wide Growth form: Somewhat irregular low mound or creeping Evergreen to drought- deciduous Foliage: Compound leaves (fern) Petioles thin, dark; leaflets wedge-shaped, bright to pale green. Roots: slow growth from rhizomes ©2011 Robert A. Hamilton © Project SOUND Shade & some water Soils: Texture: not particular pH: any local (wide range – pH 4.0-8.0) Light: Filtered sun or bright shade under trees is best Will take some morning sun Water: Winter: adequate Summer: occasional to moderate water: Zone 2 to 2-3 Fertilizer: ½ strength regular fertilizer in spring, esp. in pots Other: loves leaf mulch; needs good air circulation ©2003 Brent Miller © Project SOUND Maidenhairs in garden Shady places under trees (pine, citrus) Shady slopes; N-facing aspect As a delightful container plant Host for Phytophthora ramorum (Sudden Oak Death) ©2014 Susan McDougall ©2010 Gary A. Monroe Potting mix for ferns: base on requirements Water-loving ferns 1 part general-purpose potting medium 1 part peat moss or leaf mold. S. CA summer-dry ferns 2 parts general-purpose potting medium 1 part peat moss or leaf mold. 1 part perlite, pumice or builder’s sand © Project SOUND 01_archive.html Goldenback fern
  18. 18. 11/1/2014 18 When to repot ferns & mints Repot when they overfill to pot – or become less vigorous Best repotted in late winter when they are starting to put up new leaves © Project SOUND Medium ferns might be a good choice for our small shady balcony garden © Project SOUND What else would take advantage of the light microclimates? Mints and pots just go together Contain them – tend to spread vigorously Provide correct water regimen – many need more water, particularly in our climate Provide the proper amount of shade The mints provide green foliage, flavorings, medicinals – perhaps even flowers © Project SOUND Mentha arvensis & garden mints © Project SOUND Plant Sale at CSUDH • Friday, 11/7 – noon to 4:30 p.m. • Saturday, 11/8 – 11:30 to 2:00 See ‘Native Plants at CSUDH’ blog
  19. 19. 11/1/2014 19 Yerba Buena – Clinopodium (Satureja) douglasii © Project SOUND San Miguel Savory – Clinopodium (Satureja) chandleri Peninsular Ranges (San Miguel, Santa Ana mtns) – Orange, Riverside County & San Diego Counties Northern Baja & N. Mexico Rocky slopes, chaparral & Oak Woodlands, 520–690 m. Extremely rare shrub in wild; on CNPS LIST 1B: Rare, threatened, or endangered in California and elsewhere Important medicinal plant for native peoples Uses for Yerba Buena in your garden Any shade place that can remain moist: Garden edges (including edges of vegetable garden) As a groundcover under trees and in other shady areas attractive herb in shady garden borders Can even stand some foot traffic In an aroma garden – or use it for a nice herbal tea Yerba Buena is dramatic in shady containers BvKv5Dc6Y8M/TjW2rMio1gI/AAAAAAAABU4/XLrRPq7Nays/s640/ju.jpg Lovely evergreen foliage
  20. 20. 11/1/2014 20 © Project SOUND *Monkeyflower savory – Clinopodium mimuloides Beatrice F. Howitt © California Academy of Sciences Mostly on the central coast (foothills) Locally : San Gabriel Mountain foothills; Arroyo Seco Moist places, streambanks, chaparral and woodlands below 5,400' © Project SOUND *Monkeyflower savory – Clinopodium mimuloides © Project SOUND Monkeyflower savory: a little more upright Size:  1-3 ft tall  2-4 ft wide Growth form: Sub-shrub/perennial; drought- deciduous to evergreen Slender, fuzzy branches; more upright in brighter locations Fast growth Foliage: Simple, medium-green Aromatic – minty (tea) Roots: shallow roots; spread via rhizomes © Project SOUND Prettiest Clinopodium flowers Blooms: off and on – late spring to fall (May to Oct.) Flowers: Red-orange and showy; if happy, masses of blooms Like monkeyflower (sort of) or the red penstemons, Keckiella Typical local hummingbird plant Seeds: tiny Vegetative reproduction: spreads (like a mint) with plenty of water
  21. 21. 11/1/2014 21 © Project SOUND Plant Requirements Soils: Texture: any pH: any local Light: Best bloom in morning sun; part- shade, dappled shade or quite shady in most gardens Water: Winter: adequate; tolerates seasonal flooding Summer: keep it green (Water Zone 2-3) or more natural (Zone 2) – taper off water in late Aug/Sept Fertilizer: probably OK; organic mulch would work as well Cut back to 2-4 inches in late fall after blooming ceases (like CA Fuschia – Epilobium species) © Project SOUND Garden uses for Monkeyflower savory Under trees and other shady parts of the garden - groundcover In a hummingbird garden paired with Heuchera maxima & Aquilegia Formosa – mid-ground As an attractive pot plant Foreground plants – the garden divas © Project SOUND If you have a larger space, they can be up to 2 ft tall © Project SOUND Arctostaphylos edmundsii 'Big Sur' Eriogonum crocatum - Conejo Buckwheat 526057@N23/
  22. 22. 11/1/2014 22 Characteristics of foreground plants Smaller < 1-2 ft Planted at the very front of other plants – where you can fully appreciate them Have some distinctive feature that make them stand out from the rest: Flower color (usually) Foliage color , texture Shape Scent © Project SOUND Annual wildflowers & bulbs make perfect foreground plants in pots © Project SOUND Allium crispum Collinsia heterophylla Many smaller native perennials work just as well as foreground plants © Project SOUND Perennial begonia on_a_monardella.jpg © Project SOUND Red Monardella – Monardella macrantha © 2001 CDFA
  23. 23. 11/1/2014 23 © Project SOUND Characteristics of Red Monardella Size:  to 1 ft tall  1-2+ ft wide Growth form: Herbaceous perennial Low-growing/sprawling Foliage: Shiny, dark green leaves Aromatic; nice for teas Roots: Forms colonies via rhizomes © Project SOUND Plant Requirements Soils: Texture: must be well- drained pH: 5.0-7.0 Light: Best in part-shade; sunnier only with good mulch Water: Winter: Needs good soil moisture but not too soggy Summer: Likes regular water, but let dry out a bit; about once/wk in a large pot Fertilizer: none; likes poor soils © Project SOUND Red Monardella makes a great container plant Excellent as a pot plant; will drape over the edges of pot attractively Be sure to place high enough for protection from cats Also nice addition to a rock garden; place for fragrance ‘Marion Sampson’ Natural cultivar forms tight mats of small, dark leaves, with brilliant red flowers. Well suited for rock garden and container use Cultivar : ‘Marion Sampson’ © Project SOUND Mountain Monardella – Monardella odoratissima J. E.(Jed) and Bonnie McClellan © California Academy of Sciences
  24. 24. 11/1/2014 24 © Project SOUND Mountain Monardella: lovely Under trees, as a groundcover Along partly shady walkways Shady edges of the vegetable garden As an accent in large containers In a rock or butterfly garden © 2010 Steven Thorsted Ssp. pallida We’ve seen the advantage of using pots that are at least somewhat similar © Project SOUND Chinese taper planters.jpg Trough glazed-ceramic.html Vietnamese camellia pot What kind of pot is best? Thick unglazed terra cotta (cement; hypertufa) Tend to be cooler for roots Good drainage – good for plants that need this  Risk of drought – need more attention to watering in hot, dry windy periods (summer/fall) Glazed ceramic or metal (fiberglass; aggregate) May risk overheating roots, depending on color, exposure Good water retention – good for plants that need this Risk of over-watering – need more attention during cool, wet periods (winter) © Project SOUND Bottom line: need to decide what types of plants you will plant before you choose the appropriate type of pot © Project SOUND * Giant Stream Orchid – Epipactis gigantea G.A. Cooper @ USDA-NRCS PLANTS Database
  25. 25. 11/1/2014 25 © Project SOUND * Giant Stream Orchid – Epipactis gigantea Western U.S., Mexico California Floristic Province (except Great Central Valley, s Channel Islands) Locally Santa Monica & San Gabriel Mtns. Seeps, wet meadows, streambanks , ledges May occur in riparian woodlands,8709,8710 © Project SOUND Flowers: beautiful orchids Blooms: in spring - usually Mar-May in our area. Flowers: On wand-like stalks – up to 20+ flowers per stalk Flowers ~ 1 inch across Color: 2 forms Maroon and white (may actually be more pink) Orange/yellow/gold Significant variation between individual plants Pollinated by Syrphid flies, beneficial flies that feed on aphids. Seeds: many, small. Difficult to grow from seed (unless you’re and orchid fancier) Gary A. Monroe @ USDA-NRCS PLANTS Database © Project SOUND Stream Orchids are a showy addition to a water feature In a seep or bog garden On edges of ponds or stream banks (including manufactured streams) or in moist ground near fountains Grow in large pots – much as you would cymbidiums Plant with Scarlet Monkeyflower to fill the space when Stream Orchid is dormant The lower lip and tongue move when the flower is touched or shaken; hence the alternate name Chatterbox Orchid. Epipactis gigantea ‘Serpentine Night’ © Project SOUND Natural cultivar from just north of the Bay area A bit more difficult that the straight species Foliage emerges jet black in spring Blooms are typically greenish purple. Slower to spread than the straight species.
  26. 26. 11/1/2014 26 Foreground: balconies create some interesting possibilities Greenbro planter (and its imitators) The pots chosen for the foreground may also be unique Succulents can often be good foreground choices: evergreen, unique foliage, flowers © Project SOUND © Project SOUND *Broadleaf Stonecrop – Sedum spathulifolium © 2003 Tim Sullivan © Project SOUND Broadleaf Stonecrop looks like a garden succulent Size:  < 1ft tall  1-3 ft wide; spreading Growth form: Evergreen succulent Spreads quickly; mat-forming Stems are fragile; don’t walk on Foliage: Leaves of coastal forms may be chalky white, or even white edged with red-purple. Mountain/inland forms have vivid-green to blue-green leaves. Leaves are succulent, in tight rosettes; ‘spoon-shaped’ hence the name.. © 2007 Neal Kramer © Project SOUND Good choice for containers Sedums thrive in sunny places, but they will also manage well enough in partial shade. They’re among the easiest of perennials. Stick them in clay soil and they thrive, plant them in rocky places and they flourish. You can water them on the same schedule as your other hardy perennials or treat them with benign neglect, as their succulent leaves store water, making them drought-tolerant. © 2007 Neal Kramer
  27. 27. 11/1/2014 27 © Project SOUND Sedum spathulifolium ssp. pruinosum ‘Cape Blanco’ Outstanding white foliage Dense rosettes © Project SOUND Sedum spathulifolium ‘Purpureum’ Purple-red foliage, with white centers Really showy! © Project SOUND *Siskiyou Bitterroot – Lewisia cotyledon ©2004 Mike Ireland Far NW. CA and SW OR Yellow Pine & Red Fir Forest, Northern Oak Woodland, Lodgepole Pine & Subalpine Forest Sandy or rocky areas (granite outcrops; rock crevices), often north-facing, from 4000-7500 ft. elevation. AKA ‘Cliff Maids’ © Project SOUND *Siskiyou Bitterroot – Lewisia cotyledon ©2011 Sierra Pacific Industries Br. Alfred Brousseau, Saint Mary's College
  28. 28. 11/1/2014 28 © Project SOUND Cute little cliff-hanger Size:  < 1 ft tall (flower stalks may be taller)  ~ 1 ft wide Growth form: Herbaceous perennial Evergreen or leaves shrivel with drought (like Dudleya) Pretty Foliage: Leaves medium green, spoon-shaped from basal rosette Somewhat succulent Roots: deep tap root ©2011 Aaron Schusteff © Project SOUND Flowers: glorious Blooms: spring to early summer; usually May-June, though may continue blooming with some water Flowers: Species has pink-magenta striped petals; cultivars have wider range of yellows, oranges & pinks Plants may be literally covered with blooms – spectacular!! Good pollinator flowers Seeds: readily available on-line (cultivars mostly) Br. Alfred Brousseau, Saint Mary's College ©2011 Aaron Schusteff © Project SOUND Plant Requirements Soils: Texture: very well-drained – sandy or rocky (or plant on mound or slope) pH: likes slightly acidic (pH 5.0- 7.0); ok w/ slightly higher) Light: part-shade/morning sun in most S. CA gardens. Water: Winter: adequate Summer: occasional but don’t overwater – Zone 2; keep water off the crown Fertilizer: probably best with ½ strength acid fertilizer once a year Other: Gravel/rock mulch Watch for snails, slugs, mealybugs ©2004 Robert E. Preston, Ph.D. © Project SOUND Lewisia: the ultimate pot plant In a rock garden or ‘Lewisia bed’ In a container Br. Alfred Brousseau, Saint Mary's College ©2007 Mike Ireland Robert Potts © California Academy of Sciences
  29. 29. 11/1/2014 29 Lewisia in S. California Choose a terra cotta container because it is porous & evaporates water well Plant on a hump (like Dudleyas) Use pea-gravel mulch on the surface © Project SOUND Making a place for Lewisias: in containers Choose an unglazed terra cotta planter (best) Use a good Dudleya/succulent/cactus mix Mix 1  1 part peat 1 part commercial potting soil (something basic) 3 parts porous rock, such as pumice, lava, or a mixture of the two Mix 2 2 parts potting soil 1 part perlite or pumice 1 part lava rock, gravel or very coarse builder’s (sharp) sand (or combination) ¼ recommended amount of time-release fertilizer (Osmacote) Use a gravel mulch Place in semi-shady area © Project SOUND ‘Sunset Strain’ Lovely flowers in sunset colors – perfect for our balcony ‘Rainbow Mix’ has brighter colors © Project SOUND In review: advantages of container gardening Allows you to garden even if you don’t have any yard Allows you to grow plants with unusual requirements: Light Water/drainage pH Other soil requirements Allows you to combine plants with unique requirements in same garden Allows you to showcase (accent) plants © Project SOUND most-of-your-downtown-austin-condos-outdoor-space/ letting-sunflower-cottage-courtyard-673-294693_2400_1800.jpg
  30. 30. 11/1/2014 30 Just because you garden in containers doesn’t mean you should ignore good garden design principles © Project SOUND © Project SOUND Repetition with-flowers-plants-9.jpg © Project SOUND Variety © Project SOUND Use of vertical space Creative-and-Smart-Apartment-Balcony-Garden-With-Potted-Plants.jpg