A guide to plants for North American gardens encompasses detailed descriptions of more than one thousand species, organized alphabetically by botanical names and including information on cultivation and propagation.HOW TO GROW Helianthemums make excellent ground covers on dry sunny banks where they will not be subject to winter ... They are not particular about soil pH, but they do dislike humidity and are adapted to the kind of dry summers typical of the ... Known by gardeners and nongardeners alike as sunflowers, Helianthus species are annuals and perennials native to ... Or sow into individual pots indoors 4 to 6 weeks before the last spring frost date at 65Ad to 7oAdF. Germination takesanbsp;...
|Title||:||Taylor's Encyclopedia of Garden Plants|
|Publisher||:||Houghton Mifflin Harcourt - 2003|