1 / 33

Companion Planting

Companion Planting. Sabine Harvey sharvey1@umd.edu. What is companion planting?. The establishment of two or more plant species in close proximity so that some cultural benefit is derived. History. Pliny the Elder, 23-79 AD Three Sisters Sensitive crystallization test? Biodynamics.

hilda
Download Presentation

Companion Planting

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Companion Planting Sabine Harvey sharvey1@umd.edu

  2. What is companion planting? • The establishment of two or more plant species in close proximity so that some cultural benefit is derived

  3. History • Pliny the Elder, 23-79 AD • Three Sisters • Sensitive crystallization test? Biodynamics.

  4. Be Aware: Allelopathy • Greek: Allelon = “of each other”, pathy = “to suffer” • Broccoli and cabbage • Fennel • Marigolds • Crabgrass • Sunflowers • Black Walnut

  5. Various Mechanisms • Biodiversity/beneficial insects • Pest control (biochemical, trap crops) • Symbiotic relationship • Increased crop diversity • Physical interaction (shade, fast-slow growing)

  6. Beneficial insects • Any plant in the aster, mint or carrot family • Flowers during entire season

  7. Good Guys

  8. Pest Control, maybe • Usually heavily scented, herbs • Different color • Pest repellent or trap crop

  9. Nasturtiums • Deter pests from beans, cabbages and squash family • But in some trails they attracted pests • AND they need poor soil

  10. Marigolds • Tagetespatula – French Marigold • Controls root-knot nematodes BUT • Can also be allelopathic: Beans, Cabbages

  11. Physical interactions • Three sisters: perfect example

  12. How to start? • Pick your favorite veggies • Do you have the space? • Avoid planting together: plants of same family (except cabbages) plants that use the same nutrients plants with similar root zones

  13. Beans and Peas • Potatoes • Corn, Squash, Cucumber • Summer Savory, Dill • Pole beans create shade for lettuce • Not with Onion Family or Marigolds

  14. Cabbage Family • Potatoes • Any strong smelling plant • Use space between plants • Not with marigolds

  15. Carrots • Grows well with almost anything • Onion Family • Keep away from dill, parsnips

  16. Lettuce • Plant below/behind tall crops in summer • Onions and roots crops • Anything • Sensitive to decaying Rye

  17. Onion Family • Good with anything, except legume family • Don’t forget garlic!

  18. Potatoes • Beans • Plant with fast growing spring veggies • Do not plant with tomatoes, raspberries, squash family

  19. Squash Family • Beans and corn • Radishes! • Nasturiums?

  20. Tomatoes • Onion/Garlic or strong smelling herbs • Asparagus • Basil! • Very sensitive to Black Walnut • Not near fennel, potatoes or corn

  21. Cover crops • Organic matter (feed the soil) • Tap roots • Suppress weeds • Prevent soil erosion

  22. Crimson Clover • Oilseed Radish • Winter Rye

  23. Think twice! • Amaranth • Comfrey: Symphytum officinale, Russian comfrey - Symphytum x uplandicum • Flax

  24. Sources • Companion Planting, Susan Mclure. • Great Garden Companions, Sally Jean Cunningham • Companion Planting: Basic Concepts and Resources, ATTRA Publication

  25. Resources • Home and Garden Information Center (HGIC) • 800-342-2507 • hgic.umd.edu • Grow-It-Eat-It website • GrowIt.umd.edu • Master Gardener state website • mastergardener.umd.edu

  26. This program was brought to you by Sabine Harvey University of Maryland Extension Kent County

More Related