Star (Magnolia stellata) and tulip (M. soulangeana) magnolias are early flowering magnolias. Early spring frosts destroy open flowers. In the mid-1980’s the U.S. National Arboretum released 8 shrub-type cultivars as a series called the “Little Girl Magnolias”. They are hybrid crosses between M. liliiflora and M. stellata. Four cultivars- […]
Archive for the ‘Trees & Shrubs’ Category
Changing Bigleaf Hydrangea Flower Color
Bigleaf hydrangeas (Hydrangea macrophylla), aka “hortensia” hydrangeas, bear pink flowers in low acidic and alkaline soil and blue flowers in mildly acidic soil. Some tips about regulating soil pH and flower color in bigleaf hydrangeas follows. First, a short review about soil pH. Soil pH measures soil […]
Distyliums As Cherry Laurel Or Holly Substitute
Hybrid distyliums (Distylium myricoides × racemosum) are compact evergreen shrubs for full sun to partial shade USDA hardiness zones 7 to 9. They are heat and drought tolerant, and are not fussy, growing in average soil with subpar drainage. Distyliums are members of the witchhazel family (Hamamelidaceae). Their tiny reddish-maroon flowers appear in late January through March, but offer little ornamental value in the […]
List Of Dioecious Trees And Shrubs
Some tree species are dioecious, that is produce single sex flowers (either male and female). Male flowers produce pollen and no fruits. Female flowers bear seeds or fruits. You may purchase male clones to avoid picking up messy seed pods or capsules in the fall. If you are allergic to certain tree pollens, avoid […]
Consumer Gardening Trends For 2016*
The Garden Media Group (GMG) has released its annual Garden Trends Report for 2016. The report, titled “Syncing With Nature,” identifies eight consumer trends that the group predicts will shake up the garden and outdoor living industry this coming year. The report finds “gardening” has transformed into a connected lifestyle in 2016, with a rising […]
Soil pH- What’s It All About
Soil pH is an indicator of the relative abundance of hydrogen (H⁺) ions and hydroxyl (OHˉ) ions in garden soils (Table 1). These ions play a very important part of soil fertility and a plant’s ability to absorb nutrients from the soil. The pH scale runs from 1 (highest acidity) to 14 […]
Tree Diversity Important In Urban Parks And Streets
In recent years urban tree diversity has become a buzz topic. The threat of losing entire street plantings to a deadly exotic disease or pest has to often become the reality. Nearly a century ago, urban tree-lined thoroughfares were laid bare by losses of American elms (Ulmus americana) and […]
Invincibelle Spirit Hydrangea Raises Money For The Cure
Since the introduction of the Invincibelle Spirit® hydrangea in 2009, sales from this special plant have raised funds for The Breast Cancer Research Foundation® (BCRF). At the end of 2015, fundraising efforts reached over $900,000 toward its million dollar goal. In addition to donating one dollar for every plant sold, it serves as the heart […]
American Holly For Year-round Interest
American Holly (Ilex opaca) is a pyramidal evergreen tree that deserves to be planted more for multiple reasons. It is native to the eastern and central U. S. and is easily identified by its spiny green leaves (USDA hardiness zones 5 to 9). It grows slowly to 15 to 35 feet, sometimes taller. The leathery, deep […]
Growing Calamondin Orange
Calamondin (Citrofortunella mitis) hails from China and is hardy to 20 ºF in temperate regions. It prospers outdoors in Florida, central and southern Texas, and Southern California gardens. Its sweetly fragrant flowers develop into edible ornamental fruits beginning in late fall. Small 1-2 inch diameter orange fruits are highly decorative as an indoor house plant. Calamondin can be […]