Archive for the ‘Spring flowering’ Category

Don’t Totally Dislike All Box Elder Trees

Box elder (Acer negundo) is a native fast-growing and suckering medium-sized tree (USDA hardiness zones 4b-8).  Branches are weak wooded and easily damaged in wind and ice storms. Box elder grows almost anywhere in any average soil, medium to wet, and in full sun. The species fails on a shady site. This weedy maple is […]

Thistle-like Bear’s Breeches

Spiny bear’s breeches (Acanthus spinosa) is a clump-forming perennial treasured for its attractive thistle-like foliage and architecturally bold flower spikes (USDA hardiness zones 5b-9). Plant requires little maintenance and is long-lived. Deeply-cut, arching, glossy green, spiny, thistle-like leaves attain 2-3 feet in length on older plants and remain attractive through the growing season. Leaves bear mostly hidden spines on […]

Best of MT Cuba Center 2017 Monarda Study*

Monarda, commonly known as bee balm or wild bergamot, is a popular summer flowering perennial. Their large, brightly colored flower clusters brighten the season. Flowers attract many types of wildlife, including hummingbirds, bees, butterflies, moths, and seed-eating birds. Unfortunately, many cultivars are susceptible to powdery mildew disease which causes defoliation and plant loss. Over the past three […]

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. […]

Ice Plants (Delosperma)

Ice plants (Delosperma spp.) are perennial evergreen succulents from South Africa. Two species are most popular in U.S. gardens starting with hardy ice plant (D. cooperi) (zones 6b – 9) and yellow ice plant (D. nubigenum) (zone 4 – 10). There are also many hybrid cultivars sold at garden centers and on-line. North of zone […]

Tidy Up These Perennials After Blooming Is Finished

Deadheading, the practice of removing the old spent flowers from perennials, is a way to improve a garden’s appearance and reduce overcrowding. Secondarily, many (not all) will rebloom after deadheading. Not all perennials respond to deadheading by reblooming. Most daylilies (Hemerocallis x.), coralbells (Heuchera spp.), and hostas (Hosta spp.) are prime examples of perennials that do not […]

See Your Perennials Blooming Again

Deadheading is the removal of old spent flowers and stems of many perennials. Many (not all) perennials will respond and bloom a second and even a third time. Deadheading also refreshes the plant’s appearance and reduces or eliminates the threat of seed dispersal. It redirects the plant’s energy away from seed production toward root and vegetative growth. […]

Fall In Love With Haas’ Halo® Hydrangea

Anyone walking through your garden will stop to see Haas Halo®) hydrangea (Hydrangea arborescens Haas Halo®).  This native smooth hydrangea has intense blue-green, leathery foliage and huge pure white wide lace cap blooms (USDA hardiness zones 3-9). Flowers stand tall on stout sturdy stems. Shrub branching is upright. This new hydrangea was found by Frederick H. Ray, […]

Spring – Summer Care of Herbaceous Peonies After Flowering

Summer weather can be tough on the foliage of tree and herbaceous peonies tree (P. lactiflora). Here are some tips to ensure your peony plants will prosper for many years to come. Keep foliage disease-free and prune off all badly infected with mildew or black spotted.  Some varieties naturally shed their leaves (go dormant) early. Itoh hybrids and most […]

Five Perennial Staples For Your Summer Garden

If you are designing a new perennial garden, here are five proven perennials to start out with. All varieties are standout garden performers known for their long blooming period and showy flowers. Coreopsis and veronica are often utilized for edging along a sunny border. All can be planted in mixed containers. ‘Pow Wow Wild Berry’ coneflower (Echinacea […]