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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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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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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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Gardeners' Quotes

"Now why do you think a plant would look like this? That’s how I’d always get caught up in this stuff. Botany by imagination," Susan Orlean, The Orchid Thief