Archive for the ‘alkaline soil’ Category

Euonymus ‘Moonshadow’ – A Ground Cover For All Seasons

Many so-called shade perennials such as hostas, astilbes, brunneras, and coralbells (Heuchera spp.) actually excel in areas that are bathe mostly morning sunlight. In these areas ‘Moonshadow’ euonymus (Euonymus fortunei ‘Moonshadow’) makes a great companion shrub with these perennials (USDA hardiness zones 4-8).  Moonshadow has become a favorite ground cover euonymus of mine. ‘Moonshadow’ euonymus is […]

The Glorious Katsura Tree

Katsura Tree (Cercidophyllum japonicum) is a medium to large tree indigenous to China, Korea and Japan (USDA hardiness zones 4-8). Fossil imprints indicate that Katsura Tree has existed over 1.8 million years and flourished throughout Asia and North America.  Katsura’s genus name Cercidophyllum translates to “leaf (phyllum) like a red bud (Cercis)”. A mature tree can reach […]

Sizing Up Crape Myrtles (Including Most Recent Introductions)

Hybrid crape myrtles (Lagerstroemia fauriei x indica) have undergone significant makeovers over the past quarter century.  Several new cultivar series continue to arrive garden centers, including: Black Diamond™ series, Enduring Summer™, Delta™ series, and Magic™ series. In landscape terms size is very important and gardeners often make a serious error when not calculating the size of […]

Robb’s Spurge (Euphorbia)

I always been a fan of spurges, but some have not perform well in my garden. One that does not disappoint is Robb’s spurge (Euphorbia amygdaloides var. robbiae), aka “Mrs. Robb’s Bonnet”. This evergreen spurge grows equally well in either sun or shade, including dry shade (USDA hardiness zones 6-8). This carefree slowly spreading groundcover displays shiny, dark green, […]

Prairie Dropseed (Sporobolus) – A Durable Ornamental Grass

  Prairie dropseed (Sporobolus heterolepsis) is one of the finest warm season grasses native to the Western U.S. (USDA hardiness zones 3 to 9). Initially, this clump-forming perennial grass grows at a slow to medium rate. By early summer its fine textured deep green leaves form an arching fountain habit. Prairie dropseed inhabits prairies, meadows, open […]

Blonde Ambition® Blue Grama Grass

Looking for something a little different, plant Blonde Ambition® blue grama grass (Bouteloua gracilis ‘Blonde Ambition’). It was discovered and introduced by David Salman of High Country Gardens. This prairie species is native from Manitoba Canada, south through the Rocky Mountains, Great Plains, and Midwestern states, to Mexico. It is exceptionally heat and cold hardy […]

Agaves Like It Hot, Dry and Sunny

Agaves (Agave spp.) are long-leaved succulent landscape plants. These native perennial succulents  grow in desert-like environments (USDA hardiness zones 8 and warmer). Plants grow in a rosette form with long their fleshy leaves frequently tipped with one or more sharp spines and a prominent bloom spike with cup shaped flowers. Most are native to the Southwest U.S. […]

Firebush Is One Tough Texas Flowering Plant

Firebush. aka scarlet bush (Hamelia patens),  is indigenous from Mexico to Central America (USDA hardiness 10-11). Treat it as a tempermental perennial in zone 9, and an annual everywhere else it is not hardy. This fast growing plant blooms through most of summer into fall with showy clusters of tubular red buds and flowers. Firebush thrives in Texas heat […]

Check Out These Four Plant Select® Picks

If you’re search for top performing plants, especially very drought tolerant, take a look at the picks from Plant Select®. This is a nonprofit collaboration of Colorado State University, Denver Botanic Gardens and professional horticulturists. Their mission is to seek out and distribute the very best plants for landscapes and gardens from the intermountain region to […]

Less Invasive Butterfly Bush Identified

Butterfly bush (Buddleia) is a popular garden shrub in many areas of the U.S. Buddleia invasiveness is a serious issue in the Pacific Northwest. The Oregon Dept of Agriculture, Plant Division, has approved for sale these buddleia cultivars in the state. The approved varieties produce 2% or less viable seed, meeting Oregon’s standards for sterility. The […]