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Achillea millefolium

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Achillea millefolium

  1. 1. Western Yarrow – Achillea millefolium (ah-KILL-ee-uh mill-eh-FOH-lee-um) Family: Asteraceae (Sunflower Family) Native to: Much of North America, all of CA. Found in meadows & pastures, coastal strand & grasslands, stream banks, sand dunes, alkali sinks. Tends to grow on poor soils. Growth characteristics: Herbaceous perennial mature height: 1-2 ft. mature width: 1 ft. Upright perennial with bright green feathery (fern-like) leaves. Spreads rapidly from spreading roots. Blooms/fruits: Small flowers in flat heads, spring-summer. Flowers usually white – may be light pinkpurple. Uses in the garden: In beds, cottage gardens, meadows, prairies – mixes well with other flowers, grasses. For cut flowers. Makes surprisingly tough, enduring ground cover or lawn substitute & can be mowed. Young leaves edible in salads. Used medicinally & as dye plant. Flowers, foliage scented. Sensible substitute for: non-native ground covers and Yarrows Attracts: many beneficial insects, including butterflies, bees. Repels other insects. Requirements: Element Sun Soil Water Fertilizer Other Requirement Prefers full sun, esp. near coast; tolerates partial shade Any well-drained, including clays; tolerates alkali Established plants very drought tolerant – and remain green longer than grasses; tolerates both moist and dry conditions None needed; tolerates low potassium Management: invasive potential, particularly with summer water. Can mow as needed with rotary mower on high setting. Propagation: from seed: easy & quick, fall by divisions: easy, spring or fall, either to ground or pots. Plant/seed sources (see list for source numbers): 1, most others (try locally collected seed) 11/23/10 © Project SOUND

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