Seed Encyclopedia
| Flowers (7/339) Annuals, Pot Plants, Perennials, Bedding Plants, Biennials, House Plants, Vines & Climbers |
Edibles (5/96) Vegetables, Perennial Herbs, Fruit, Annual Herbs, Biennial Herbs |
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Flowers/Perennials
RANUNCULUS asiaticus Persian Buttercup Zones 8 to 10 rå-nun’ku-lus a-se-at’i-kus Perennial Moderate Ranunculaceae, native to southwest Europe and southeast Asia. Germination: For planting out, seeds are best sown indoors 6-8 weeks...
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Edibles/Vegetables
RAPHANUS sativu Radish raf’å-nus sa-te’vus Vegetable Easy Brassicaceae; native to Eurasia. Germination: Best sown outdoors in situ when the soil is cool. It is a cool season crop that should be successively sown every 2 weeks...
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Flowers/Perennials
RATIBIDA columnifera Prairie Coneflower Zones 3 to 10 ra-tib’i-då col-um-nif’er-å Perennial Easy Asteracea; native to North America. Germination: Best sown indoors at 60-70° with no cover as light aids in germination. Expect...
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Flowers/Annuals
RHODANTHE manglesii Swan River Everlasting ro-dan’the man-gles’e-i Annual Easy Asteraceae; native to western Australia. Germination: Best sown indoors at alternating temperatures of 68 and 86°. Sow 6-8 weeks before last frost and...
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Flowers/Annuals
RHODOCHITON atrosanguineus Purple Bell Vine ro-do-ki’ton at-ro-san-gwin’e-us Annual* Easy Scrophulariaceae; native to Mexico. Germination: Sow indoors at 65-70° with no cover as light aids germination. Seed will germinate in 15-20...
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Flowers/Perennials
ROSA species Rose Zones in text below Ro’så Perennial Rosaceae; native to China and Japan. Germination: Most of today’s garden roses are hybrids and will not come true from seed. The species described below are reliable from seed...
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Edibles/Perennial Herbs
ROSMARINUS officinalis Rosemary Zones 7 to 10 ros-mar-i’nus o-fi-shi-nal’is Perennial Difficult Lamiaceae; native to the Mediterranean. Germination: Sow seeds outdoors in early spring as soon as soil can be worked, or sow indoors at...
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Edibles/Perennial Herbs
RUBIA tinctorum Madder Zones 6 to 10 ru’be-å tink-to’rum Perennial Herb Moderate Rubiaceae; native to southern Europe. Germination: Best sown indoors at a temperature of 68-72°. Seeds can also be sown outdoors in situ after all...
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Flowers/Perennials
RUDBECKIA hirta Gloriosa Daisy Zones 3 to 7 rud-bek’e-å her’tå Perennial Easy Asteraceae, native to the central United States. Germination: Best sown indoors at alternating temperatures of 68 and 86°. Expect germination in 5-10...
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Flowers/Perennials
RUMEX sanguineus Bloody Dock Zones 6 to 8 ru’meks san-gwin’e-us Perennial Easy Polygonaceae, native to Europe, Asia, and Africa. Germination: Best sown indoors at 68° with no cover as light aids in germination. Expect germination in...
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Edibles/Perennial Herbs
RUTA graveolens Rue Zones 4 to 8 ru’tå grå-ve’o-lens Perennial Herb Easy Rutaceae; native to southern Europe Germination: Best sown indoors at a temperature of 70-75°. Seeds can also be sown outdoors in situ after all danger of...
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"You can tell which diseases tomatoes are resistant to by looking for letters such as V, F, N and T after the name of the tomato. Each letter represents a problem the plant is bred to resist, and the more letters the better!" ---from Orene Horton's book, "Clippings from Orene's Garden"--- |






