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Flowers/Perennials
 IBERIS sempervirens  Edging Candytuft  Zones 3 to 8  i-be’ris sem-per-vi’rens  Perennial  Easy Brassicaceae; native to southern Europe. Germination: Sow indoors, 6-8 weeks before planting out, at a temperature of 68-70°. Expect...
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Flowers/Annuals
 IBERIS species  Candytuft    i-be’ris  Annual  Easy Brassicaceae; native to Europe. Germination: Best sown indoors at 68-70°. Sow 6-8 weeks before planting out and at a depth of 4 times the diameter of the seed. Expect germination in 10-15...
| 1118 hits | Print | Read more
Flowers/Annuals
 IMPATIENS balsamina  Garden Balsam    im-pa’shenz bal-sam’in-å  Annual  Easy Balsaminaceae; native to the Asian tropics. Germination: Sow indoors at 68-70°. Sow 6-8 weeks before planting out and at a depth of 4 times the diameter of the...
| 1234 hits | Print | Read more
Flowers/Annuals
 IMPATIENS wallerana  Impatiens    im-pa’shenz wal-er’e-a’nå  Annual  Easy Balsaminacea; native to east Africa. Germination: Sow indoors at 70-75° with no cover as light aids in germination. For growing indoors, sow seeds at any time;...
| 1406 hits | Print | Read more
Flowers/Perennials
 INCARVILLEA delavayi  Hardy Gloxinia  Zones 5 to 7  in-kär-vil’e-å del-av’a-i  Perennial  Moderate Bignoniaceae; native to China. Germination: Sow indoors at 55-72° with no cover as light aids in germination. Sow seeds 10-12 weeks...
| 1260 hits | Print | Read more
Edibles/Annual Herbs
 INDIGOFERA tinctoria   Indigo    in-di-gof’er-å tink-to’re-å  Annual Herb*  Difficult Fabaceae; native to southeastern Asia. Germination: Sow indoors at alternating temperatures of 68 and 86°. Seeds can also be sown outdoors in situ...
| 2839 hits | Print | Read more
Flowers/Annuals
 IPOMOEA alba  Moon Vine    i-po-me’å al’bå  Annual*  Easy Convolvulaceae, native to Tropical Regions. Germination: Sow indoors at alternating temperatures of 68° and 86°. Sow at a depth 4 times the diameter of the seeds and expect...
| 1270 hits | Print | Read more
Flowers/Annuals
 IPOMOEA labata  Spanish Flag    i-po-me’å lå-bå’tå  Annual*  Easy Convolvulaceae; native to Mexico, Central and South America. Germination: Sow indoors at a temperature of 65-75°. Germination will occur in 20-25 days. Seeds can also...
| 1262 hits | Print | Read more
Flowers/Annuals
 IPOMOEA quamoclit  Red Cypress Vine    i-po-me’å kwam’o-klit  Annual  Easy Convolvulaceae; native to the Tropics. Germination: Best sown indoors, 6-8 weeks before planting out, at alternating temperatures of 68° and 86°. Expect...
| 1154 hits | Print | Read more
Flowers/Annuals
 IPOMOEA species  Morning Glory    i-po-me’å  Annual  Easy Convolvulaceae; native to the Tropics. Germination: Sow indoors, 4-6 weeks before planting out, at alternating temperatures of 68 and 86°. Expect germination in 8-10 days....
| 1187 hits | Print | Read more
Flowers/Annuals
 IPOMOEA X multifida  Cardinal Climber    i-po-me’å mul-ti-fid’å  Annual  Easy Convolvulaceae; native to the Tropics. Germination: Best sown indoors, 6-8 weeks before planting out, at alternating temperatures of 68° and 86°. Expect...
| 1231 hits | Print | Read more
Flowers/Perennials
 IRIS ensata  Iris  Zones 5 to 8  i’ris en-så’-tå  Perennial  Difficult Convolvulaceae, native to Tropical Regions. Germination: Sow outdoors in late fall or early winter for spring germination. Indoors, place seeds in moistened medium...
| 903 hits | Print | Read more
Flowers/Perennials
 IRIS siberica  Siberian Iris  Zones 4 to 9  i-ris si-ber’-i-ka  Perennial  Difficult Iridaceae; native to the Northern Hemisphere. Germination: Sow outdoors in late fall or early winter for spring germination. Indoors, place seeds in...
| 1246 hits | Print | Read more

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Gardeners' Quotes

"Digging up a mature clump of perennials, separating it into segments with new stems and roots and discarding the old core is an effective way to keep plants vigorous, free-flowering and disease-free," Adrian Higgins, The Washington Post Garden Book