Extending the Season
<ul><li>Start earlier in spring and enjoy fresh food sooner </li></ul><ul><li>Extend season  </li></ul><ul><li>into fall  ...
<ul><li>Season-stretching devices  </li></ul><ul><li>Add four to six weeks to front end and back end of growing season </l...
Uses <ul><li>Early spring planting </li></ul><ul><li>Harden off seedlings started indoors </li></ul><ul><li>Extend fall ga...
<ul><li>Simple is best </li></ul><ul><li>Withstand strong winds </li></ul><ul><li>Shed rain and snow </li></ul><ul><li>Abs...
What plants to use <ul><li>Cool season plants - lettuce, spinach, coles –  </li></ul><ul><li>don’t need much heat at night...
<ul><li>Simple plastic cloches, plastic-covered cold frames raise nighttime temperatures 4 to 5 degrees </li></ul>
<ul><li>insulating blanket  - 8 to 10 degrees </li></ul><ul><li>Black water bottles – 12-15 degrees (release stored daytim...
Materials <ul><li>Found or recycled materials  </li></ul><ul><li>Purchased kits </li></ul>
Cloches <ul><li>Low, transparent individual plant protectors  </li></ul>
Cloches <ul><li>for plants spaced more than 8 inches apart, such as tomatoes and peppers  </li></ul>
Cloches <ul><li>plastic milk jugs or clear plastic bottles </li></ul>
<ul><li>set of three large cloches - £36 ($75.00) </li></ul><ul><li>set of three small cloches - £15 ($30.00) </li></ul>
Cloches <ul><li>Must be heavy  </li></ul><ul><li>Must be able to stake to ground </li></ul>
Cloches <ul><li>Bamboo cloches </li></ul><ul><li>cover with plastic </li></ul><ul><li>or fabric </li></ul>
Cloches
 
 
Tunnels <ul><li>Plastic-covered  </li></ul><ul><li>(switch to remay in warmer weather) </li></ul><ul><li>Low tunnels stand...
Tunnels <ul><li>Fence wire, concrete reinforcing wire </li></ul><ul><li>Simple metal hoops  </li></ul><ul><li>Green saplin...
Tunnels <ul><li>2-foot overhang on both sides  </li></ul><ul><li>Edge-weights: </li></ul><ul><li>bricks  </li></ul><ul><li...
Tunnels <ul><li>Ventilate – </li></ul><ul><li>purchase slitted plastic </li></ul><ul><li>open ends, hold open with clothes...
Tunnels <ul><li>Cover tunnels with old blankets or bedspreads on frigid nights </li></ul><ul><li>Won’t hurt plants to leav...
 
 
Other strategies <ul><li>Wrap tomato cage with clear plastic </li></ul><ul><li>Staple bubble wrap over cardboard box  </li...
Solar Water Bottles <ul><li>Paint square milk jugs black, fill with water </li></ul><ul><li>Stack along inside of cold fra...
Cold Frames
Cold frames <ul><li>Permanent:  </li></ul><ul><li>thermostat-controlled vent windows, heating units - like miniature green...
 
 
<ul><li>Portable:  </li></ul><ul><li>more flexibility  </li></ul><ul><li>lightweight,  </li></ul><ul><li>take into garden ...
Portable frame <ul><li>Place in garden seven to 10 days before planting date to warm  </li></ul><ul><li>Plant crop directl...
Make Your Own <ul><li>Stack bricks or bales of straw, cover with a window </li></ul><ul><li>Build a box, cover with old st...
 
<ul><li>Increase temperature: </li></ul><ul><ul><li>Locate near wall of heated building </li></ul></ul><ul><ul><li>insulat...
Tips <ul><li>Orient east to west for best sun </li></ul><ul><li>Make frame lower on south side – more sun </li></ul><ul><l...
 
Tips <ul><li>Vent – don’t let temperature rise above 80 </li></ul><ul><li>Automatic opener takes out guesswork </li></ul><...
Cold Frames
Cold Frames
Cold Frames
Cold Frames
Hot Bed <ul><li>Adding heating coils or manure to warm </li></ul><ul><li>soil turns cold frame into  hot bed   and extends...
Mini-Greenhouses
 
 
 
 
Wall-O-Water <ul><li>Reusable </li></ul><ul><li>expensive comparatively </li></ul><ul><li>more effective than other materi...
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Extending season

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Extending the Season
Fruit and Vegetable Science
K. Jerome

Published in: Education
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Extending season

  1. 1. Extending the Season
  2. 2. <ul><li>Start earlier in spring and enjoy fresh food sooner </li></ul><ul><li>Extend season </li></ul><ul><li>into fall </li></ul>
  3. 3. <ul><li>Season-stretching devices </li></ul><ul><li>Add four to six weeks to front end and back end of growing season </li></ul>
  4. 4. Uses <ul><li>Early spring planting </li></ul><ul><li>Harden off seedlings started indoors </li></ul><ul><li>Extend fall garden </li></ul>
  5. 5. <ul><li>Simple is best </li></ul><ul><li>Withstand strong winds </li></ul><ul><li>Shed rain and snow </li></ul><ul><li>Absorb and store solar warmth </li></ul>
  6. 6. What plants to use <ul><li>Cool season plants - lettuce, spinach, coles – </li></ul><ul><li>don’t need much heat at night </li></ul>
  7. 7. <ul><li>Simple plastic cloches, plastic-covered cold frames raise nighttime temperatures 4 to 5 degrees </li></ul>
  8. 8. <ul><li>insulating blanket - 8 to 10 degrees </li></ul><ul><li>Black water bottles – 12-15 degrees (release stored daytime warmth at night) </li></ul>
  9. 9. Materials <ul><li>Found or recycled materials </li></ul><ul><li>Purchased kits </li></ul>
  10. 10. Cloches <ul><li>Low, transparent individual plant protectors </li></ul>
  11. 11. Cloches <ul><li>for plants spaced more than 8 inches apart, such as tomatoes and peppers </li></ul>
  12. 12. Cloches <ul><li>plastic milk jugs or clear plastic bottles </li></ul>
  13. 13. <ul><li>set of three large cloches - £36 ($75.00) </li></ul><ul><li>set of three small cloches - £15 ($30.00) </li></ul>
  14. 14. Cloches <ul><li>Must be heavy </li></ul><ul><li>Must be able to stake to ground </li></ul>
  15. 15. Cloches <ul><li>Bamboo cloches </li></ul><ul><li>cover with plastic </li></ul><ul><li>or fabric </li></ul>
  16. 16. Cloches
  17. 19. Tunnels <ul><li>Plastic-covered </li></ul><ul><li>(switch to remay in warmer weather) </li></ul><ul><li>Low tunnels stand firmer in wind </li></ul><ul><li>Must hold up under heavy snow loads - sturdy support </li></ul>
  18. 20. Tunnels <ul><li>Fence wire, concrete reinforcing wire </li></ul><ul><li>Simple metal hoops </li></ul><ul><li>Green saplings </li></ul><ul><li>Small diameter plastic pipe. </li></ul>
  19. 21. Tunnels <ul><li>2-foot overhang on both sides </li></ul><ul><li>Edge-weights: </li></ul><ul><li>bricks </li></ul><ul><li>landscape timbers </li></ul><ul><li>firewood </li></ul>
  20. 22. Tunnels <ul><li>Ventilate – </li></ul><ul><li>purchase slitted plastic </li></ul><ul><li>open ends, hold open with clothespins </li></ul>
  21. 23. Tunnels <ul><li>Cover tunnels with old blankets or bedspreads on frigid nights </li></ul><ul><li>Won’t hurt plants to leave blankets on up to four days (storms) </li></ul>
  22. 26. Other strategies <ul><li>Wrap tomato cage with clear plastic </li></ul><ul><li>Staple bubble wrap over cardboard box </li></ul><ul><li>fold in top flaps for stability </li></ul><ul><li>fold out bottom flaps, weight with bricks </li></ul>
  23. 27. Solar Water Bottles <ul><li>Paint square milk jugs black, fill with water </li></ul><ul><li>Stack along inside of cold frame </li></ul><ul><li>Release warmth at night </li></ul>
  24. 28. Cold Frames
  25. 29. Cold frames <ul><li>Permanent: </li></ul><ul><li>thermostat-controlled vent windows, heating units - like miniature greenhouse </li></ul>
  26. 32. <ul><li>Portable: </li></ul><ul><li>more flexibility </li></ul><ul><li>lightweight, </li></ul><ul><li>take into garden </li></ul>
  27. 33. Portable frame <ul><li>Place in garden seven to 10 days before planting date to warm </li></ul><ul><li>Plant crop directly into frame </li></ul><ul><li>Remove frame when weather stabilizes </li></ul>
  28. 34. Make Your Own <ul><li>Stack bricks or bales of straw, cover with a window </li></ul><ul><li>Build a box, cover with old storm window </li></ul><ul><li>Attach plastic window-well covers to hinged frame </li></ul>
  29. 36. <ul><li>Increase temperature: </li></ul><ul><ul><li>Locate near wall of heated building </li></ul></ul><ul><ul><li>insulate walls </li></ul></ul><ul><ul><li>Sink foundation in soil </li></ul></ul><ul><ul><li>double-glazed top </li></ul></ul><ul><ul><li>heating cable or manure </li></ul></ul>
  30. 37. Tips <ul><li>Orient east to west for best sun </li></ul><ul><li>Make frame lower on south side – more sun </li></ul><ul><li>Paint inside white to reflect sunlight </li></ul>
  31. 39. Tips <ul><li>Vent – don’t let temperature rise above 80 </li></ul><ul><li>Automatic opener takes out guesswork </li></ul><ul><li>Check for air leaks </li></ul><ul><li>Irrigate with warm water </li></ul>
  32. 40. Cold Frames
  33. 41. Cold Frames
  34. 42. Cold Frames
  35. 43. Cold Frames
  36. 44. Hot Bed <ul><li>Adding heating coils or manure to warm </li></ul><ul><li>soil turns cold frame into hot bed and extends winter usefulness </li></ul>
  37. 45. Mini-Greenhouses
  38. 50. Wall-O-Water <ul><li>Reusable </li></ul><ul><li>expensive comparatively </li></ul><ul><li>more effective than other materials </li></ul><ul><li>can add several weeks growth </li></ul>
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