Archive for the ‘Spring flowering’ Category

Growing Celosia In The Summer Garden

  Celosias (Celosia argentea), aka cockscomb, feather, and plume amaranths, are summer flowering annuals in most of the U.S. (USDA hardiness zones 10-11). Mature plant height varies by cultivars, generally between 6 inches and 3 feet in height, taller types grown for the florist market. Celosia plants are classified into three groups: a crested type (C. […]

When To Cut Back Foliage Of Spring Flowering Bulbs

Once your tulips, daffodils and other spring flowering bulbs have bloomed, don’t be in a hurry to cut off the stems and leaves.  Plant foliage serves an valuable role in the health and growth of bulbous plants. The green leaves absorb sunlight and carbon dioxide as a part of the process of photosynthesis. The spent blossoms […]

Bugleweed (Ajuga) Groundcover

Bugleweed, aka carpetweed (Ajuga reptans), is low-growing semi-evergreen groundcover that offers almost year-round appeal (USDA hardiness zones 3-9). It develops a low prostrate habit and spreads by runners that root into the soil. Attractive vertical spikes of flowers arise in mid- to late- spring. Cultivars abound with multi-colored flowers. Foliage variants range from light green, […]

Four Large Street Trees With A Narrow Vertical Look

There is an old saying that they’re not making more land. This is particularly true in urban downtown areas where room to grow street trees is very limited. Here are four tall trees that also have a striking vertical accent. Their branching is upright. Because of their tall stature, they are particularly suitable planted along wide […]

Favorites For The Shade

Here are ten of my favorite perennial plants for shady areas (USDA hardiness zones 4-7). All prosper in 1-2  hours of early morning sunlight and in humus-rich, moist, well-drained soil.  Mulch to conserve moisture and suppress weeds. Hosta – unquestionably the shade favorite of  U.S. gardeners.  A low maintenance plant that returns every spring with lush […]

Native Serviceberry

Serviceberry (Amelanchier arborea) is a medium-sized native tree. Its native range stretches from Ontario to the Gulf Coast (USDA hardiness zones 4-9). However, it performs well across the Western and Central U.S. Serviceberry is regionally known by many names, including shadbush, shadblow, sarvisberry, sarvis tree, and Juneberry. The latter refers to the small greenish-blue, ripening […]

Baptisias – Long-Lived Native Perennials

Wild indigos or Baptisias (Baptisia spp.) are long-lived native perennials. Baptisias are tap rooted perennials that will reward you for many years. They’re sometimes mistaken for Carolina lupine (Thermopsis caroliniana). Modern day cultivars are hybrids of 4 Baptisia species: purple (B. australis), lavender blue (B. minor), white (B. alba), bright yellow (B. sphaerocarpa). Several bicolors are also […]

Ten Grow Facts About Perennials

Before purchasing and planting perennials, here are ten helpful tips to assist you in garden planning: Perennials die back to the ground in fall or winter and regrow from plant crowns or roots the following spring. Most perennials should be divided when they are dormant: Spring bloomers in the fall and Fall bloomers in the […]

Fifteen Garden Perennials Which You Can’t Kill (Or Almost)

Here is a list of flowering perennials that need little care after planting. Ornamental grasses and ferns are not listed here. One steadfast rule that you must follow if this group of plants are to work for you: “choose the right plant for the right site”. Shady plants in full sun and terrestrial plants in swampy ground […]

Select A Good Street Or Landscape Tree

First of all, there is no perfect tree, either for a street or landscape planting. However, many excellent cultivars are now available at local nurseries and retail garden centers. Select one that matches your site requirements. Site factors include: amount of sunlight daily, soil type, soil pH (acidity or alkalinity), and soil drainage. What kind of […]