Archive for the ‘Heat Tolerance’ Category

Coreopsis ‘Route 66’ – A Riot of Color

 Create a hot splash in your garden this summer. Threadleaf coreopsis (Coreopsis verticillata) ‘Route 66’ is a new selection by Itsaul Nursery in Atlanta, Georgia (USDA zone 4 to 9). Coreopsis ‘Route 66’ originated in Pennsylvania (zone 5). Perennial gardeners have been planting yellow- flowered ‘Moonbeam’ and ‘Zagreb’ cultivars for over a quarter of a […]

Culver’s Root (Veronicastrum)

Midwest native Culver’s root (Veronicastrum virginicum) starts the summer flowering season in my perennial garden. It naturally grows in open woods and meadows and thrives in fertile to moist soils. However, this deep rooted plant hasn’t complain about the current dry period in the Southern Appalachian region (USDA zones 6-7). Be aware that culver’s root […]

Catalpa Both Loved And Hated

Northern catalpa or Indian cigar tree (Catalpa speciosa) has enormous presence in any landscape setting (USDA hardiness zones 4-8). Finding a 70 – 80 foot tree with a massive trunk and thick sinuous limbs is not unusual from Ohio south thru Tennessee. In summer its huge heart –shaped, pale green leaves may be easily reach […]

Princess Lilies — Hardy in Zone 6

Not all alstroemerias are alike. I have been enjoying my Princess lilies (alstroemeria hybrids from Holland) over the past 6 years. They have been surprisingly winter hardy in zone 6-b where I garden. Further south in zones 7 and 8, Princess lilies prefer part sun to partial shade. I grow’em on the east side of […]

Planting Leyland Cypress May Be Big Mistake

If you live in USDA Plant Zone 6-b – 7, planting leyland cypress (x Cupressocyparis leylandii) could eventually turn into a maintenance diseaster in your landscape. Leyland cypress is a green behemoth, too fast and aggressive for most folks to handle. Ask yourself, “do you really need a 60-70 foot evergreen privacy screen around your […]

Baptisia – 2010 Perennial Plant of the Year

Blue false indigo(Baptisia australis) is a beautiful, long-lived, drought tolerant perennial with a robust growth habit and attractive steel blue foliage. In late May, the violet-blue flower spikes rise tall above sturdy 3-4 feet tall plants with steel bluish-green foliage. Baptisias grow best in full sun and in moist, well-drained soils. Feed or fertilize baptisias sparingly to prevent plants from flopping […]