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RHS Level 2 Certificate Week 14 – Prize Quiz and houseplants
Learning objectives <ul><li>7. Understand the care of plants in an interior situation.  </li></ul><ul><li>7.1 Describe the...
Prize Quiz  <ul><li>Twenty Questions – 30 minutes </li></ul><ul><li>Test conditions please </li></ul><ul><li>Three prizes ...
Answers <ul><li>1.  ( d)  2.  (c)  3. (b) – because it warms up quickly in spring and has a loose texture for the carrots ...
Containers <ul><li>Without the need to survive outdoor conditions the choice is endless. </li></ul><ul><li>Must have drain...
Environmental factors indoors <ul><li>Humidity – much drier than most plants prefer </li></ul><ul><li>Light – may be limit...
The Environment <ul><li>Each plant’s needs will depend on where it originates – a jungle or a desert etc. </li></ul><ul><l...
Feeding and watering  <ul><li>Liquid feed is best, as it gives control.  Controlled release is good for large plants. </li...
Routine Care <ul><li>Remove any dead or diseased plant material immediately. </li></ul><ul><li>Dead head or remove spent f...
Pests and diseases  <ul><li>Aphids, whitefly and other sap suckers – weaken the plant, spread virus and excrete honeydew. ...
Addiantum raddianum <ul><li>Jungle dweller </li></ul><ul><li>Moderate light, no direct sun </li></ul><ul><li>Moderate to h...
Ficus benjamina  <ul><li>A tree grown as a houseplant – they can outgrow their space, but take some time to do so. </li></...
Euphorbia pulcherrima <ul><li>A Mexican shrub. </li></ul><ul><li>Likes bright light, warmth (no fluctuations) and moderate...
Kalanchoe blossfeldiana   <ul><li>Strong sunlight is fine. </li></ul><ul><li>Low humidity and moderate to high temperature...
Saintpaulia ionantha <ul><li>Good light, moderate warmth and moderate to high humidity. </li></ul><ul><li>Feed fortnightly...
Learning outcomes  <ul><li>7. Understand the care of plants in an interior situation.  </li></ul><ul><li>7.1 Describe the ...
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Rhs year 2 week 14

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Transcript of "Rhs year 2 week 14"

  1. 1. RHS Level 2 Certificate Week 14 – Prize Quiz and houseplants
  2. 2. Learning objectives <ul><li>7. Understand the care of plants in an interior situation. </li></ul><ul><li>7.1 Describe the environmental factors that must be taken into account when displaying plants inside domestic buildings. </li></ul><ul><li>7.2 Describe the choice of suitable containers and growing media for houseplants. </li></ul><ul><li>7.2 Describe the management of one fern ( Adiantum raddianum), one foliage ( Ficus benjamina) and three seasonal flowering plants ( Euphorbia pulcherrima, Kalanchoe blossfeldiana, and Saintpaulia ionantha) under the following headings: potting; feeding; watering; deadheading; re-potting; pest and disease identification and control. </li></ul>
  3. 3. Prize Quiz <ul><li>Twenty Questions – 30 minutes </li></ul><ul><li>Test conditions please </li></ul><ul><li>Three prizes </li></ul>
  4. 4. Answers <ul><li>1. ( d) 2. (c) 3. (b) – because it warms up quickly in spring and has a loose texture for the carrots to grow into without forking. 4. (a) 5. (b) and (d) 6.(b) 7. (c) 8. Green Manure 9. Nitrogen – chlorophyll, green leafy growth; Phosphorous – essential for root growth; Potassium – essential for flowers and fruit; Calcium – essential for cell walls. 10. Foliar feed is sprayed onto the leaves. 11. Iron deficiency 12. (c) 13. (b) 14. (b) and (d) </li></ul><ul><li>15. (d) 16. (d) 17. (b) 18. (c) 19. (b) 20. 46°C and five minutes </li></ul>
  5. 5. Containers <ul><li>Without the need to survive outdoor conditions the choice is endless. </li></ul><ul><li>Must have drainage holes though </li></ul><ul><li>Stand an ordinary plastic plant pot on a layer of gravel or leca if you have a planter without drainage holes </li></ul><ul><li>Could use a self watering container </li></ul><ul><li>Remember the rate of drying out of the growing media will be affected by the material chosen. </li></ul>
  6. 6. Environmental factors indoors <ul><li>Humidity – much drier than most plants prefer </li></ul><ul><li>Light – may be limited, or too much (as on a south facing window sill in summer) </li></ul><ul><li>Temperature – day to night fluctuations and maximum and minimum may not be ideal </li></ul><ul><li>Water – specific plants have specific requirements; but all need watering </li></ul>
  7. 7. The Environment <ul><li>Each plant’s needs will depend on where it originates – a jungle or a desert etc. </li></ul><ul><li>Light – most like bright but diffuse light; cacti are fine in direct sun. </li></ul><ul><li>Temperature – requirements vary, but large fluctuations are often a problem. Avoid draughts. </li></ul><ul><li>Humidity – needs vary; can be provided by misting; a gravel tray; grouping plants together. </li></ul>
  8. 8. Feeding and watering <ul><li>Liquid feed is best, as it gives control. Controlled release is good for large plants. </li></ul><ul><li>As a rule of thumb, feed fortnightly in spring and summer and monthly otherwise. </li></ul><ul><li>Use a general purpose feed unless a specialist one is available, e.g. for orchids. </li></ul><ul><li>Watering – needs vary, as a guide water only if the compost feels somewhat dry to the touch. Water hairy leaved and succulent plants from below. </li></ul>
  9. 9. Routine Care <ul><li>Remove any dead or diseased plant material immediately. </li></ul><ul><li>Dead head or remove spent flower stalks. </li></ul><ul><li>Treat pests and diseases as soon as seen. </li></ul><ul><li>Dust regularly – dust reduces photosynthesis. </li></ul><ul><li>Re-potting – not too often for flowering plants, every 2 years. </li></ul>
  10. 10. Pests and diseases <ul><li>Aphids, whitefly and other sap suckers – weaken the plant, spread virus and excrete honeydew. Use fatty acid spray or a suitable systemic insecticide designed for houseplants. </li></ul><ul><li>Downy Mildew – encouraged by cool, damp conditions. Remove affected parts and raise the temperature. </li></ul><ul><li>Powdery Mildew – avoid water stress; treat with suitable systemic fungicide. </li></ul><ul><li>Sooty Mould – grows on honeydew, so control sap suckers. Can be removed with a damp cloth. </li></ul>
  11. 11. Addiantum raddianum <ul><li>Jungle dweller </li></ul><ul><li>Moderate light, no direct sun </li></ul><ul><li>Moderate to high humidity – 60 to 80RH. Stand on a gravel tray or mist. </li></ul><ul><li>Warm conditions - 18°C or more </li></ul><ul><li>Avoid draughts as they will cause the leaves to go brown. </li></ul><ul><li>Feed fortnightly when growing. </li></ul>
  12. 12. Ficus benjamina <ul><li>A tree grown as a houseplant – they can outgrow their space, but take some time to do so. </li></ul><ul><li>Bright diffuse light, warmth and moderate to high humidity. </li></ul><ul><li>Water when dry and reduce watering in cool conditions. </li></ul><ul><li>Feed fortnightly when growing. </li></ul><ul><li>Susceptible to scale insects and mealybugs. </li></ul>
  13. 13. Euphorbia pulcherrima <ul><li>A Mexican shrub. </li></ul><ul><li>Likes bright light, warmth (no fluctuations) and moderate to high humidity. Keep out of draughts. </li></ul><ul><li>Feed monthly. Water when the surface of the compost is dry – do not overwater. </li></ul><ul><li>Will need 14 hours of dark for 6-8 weeks to initiate flower buds and colour the bracts. </li></ul><ul><li>Prone to whitefly </li></ul>
  14. 14. Kalanchoe blossfeldiana <ul><li>Strong sunlight is fine. </li></ul><ul><li>Low humidity and moderate to high temperature. </li></ul><ul><li>Feed every three weeks </li></ul><ul><li>Water when compost surface is dry. </li></ul><ul><li>Susceptible to aphid attack and to botrytis if the conditions are too humid or it is overwatered. </li></ul><ul><li>Needs 15 hour ‘nights’ for 30 days in September to bloom at Christmas. </li></ul>
  15. 15. Saintpaulia ionantha <ul><li>Good light, moderate warmth and moderate to high humidity. </li></ul><ul><li>Feed fortnightly in summer and spring with an African Violet feed. Lack of feeding leads to no flowers. </li></ul><ul><li>Water from below when the compost is just dry. </li></ul><ul><li>Flowers best if overcrowded so don’t repot too often. </li></ul><ul><li>Aphid, mealy bug, downy and powdery mildew. </li></ul>
  16. 16. Learning outcomes <ul><li>7. Understand the care of plants in an interior situation. </li></ul><ul><li>7.1 Describe the environmental factors that must be taken into account when displaying plants inside domestic buildings. </li></ul><ul><li>7.2 Describe the choice of suitable containers and growing media for houseplants. </li></ul><ul><li>7.2 Describe the management of one fern ( Adiantum raddianum), one foliage ( Ficus benjamina) and three seasonal flowering plants ( Euphorbia pulcherrima, Kalanchoe blossfeldiana, and Saintpaulia ionantha) under the following headings: potting; feeding; watering; deadheading; re-potting; pest and disease identification and control. </li></ul>
  17. 17. Happy Christmas
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