Oakleaf hydrangea (Hydrangea quercifolia) is an upright, broad-rounded, suckering, multi-stemmed, deciduous shrub that typically grows 4-6 feet (less frequently to 8 feet) tall. It is a wonderful flowering shrub with multi-season interest. It is native to the Southeastern U.S. and tolerates hot, humid weather. Oakleaf hydrangeas aren’t quite as cold-hardy as other hydrangea species (USDA […]
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Mountain Hydrangeas
Posted by Hugh on July 9th, 2023
Mountain hydrangeas (Hydrangea serrata) look very much like big leaf hydrangea (H. macrophylla) except shrubs are smaller, more compact in growth habit with smaller flowers and leaves. They are native to the cool moist woodland valleys in Japan and Korea mountains. (USDA hardiness zones 6-9). These unique hydrangeas fare better in cool climates in zones 5 […]
Mini Reblooming Smooth Hydrangeas
Posted by Hugh on July 31st, 2022
Smooth hydrangeas (Hydrangea arborescens) generally grow 6 -7 feet high, and some wild forms upwards of 10 feet (USDA hardiness zones 3-9). The exceedingly popular Invincibelle® series grow 5-6 feet high. Three recently introduced mini-types (listed below) are perfect for a small garden or in a large container. Shrubs in the series reach full size in […]
Three Standout Panicle Hydrangeas
Posted by Hugh on April 6th, 2022
For over a decade the cultivar ‘Limelight’ has been among the best selling panicle hydrangeas (Hydrangea paniculata) (USDA hardiness zones 3-8). It bears large greenish-white floral trusses on 6- 8 feet tall branches; beautiful for use as cut (fresh or dried) flowers. Here are three panicle hydrangeas that are also very popular. Vanilla Strawberry™ hydrangea […]
Why My Hydrangeas Are Not Blooming
Posted by Hugh on July 23rd, 2019
Thankfully, this is not a very common problem that few gardeners run into. U.S. gardeners grow four (4) species of hydrangeas: smooth hydrangea (Hydrangea arborescens), oakleaf hydrangea (H. quercifolia), bigleaf hydrangea (H. macrophylla), and panicle hydrangea (H. paniculata). There are five reasons why some hydrangeas don’t bloom: 1. Type of hydrangea… Bigleaf hydrangeas, those that […]
Best of The Oakleaf Hydrangeas (So Far)
Posted by Hugh on May 26th, 2019
More than 30 available oakleaf hydrangea (Hydrangea quercifolia) cultivars, you can select the perfect specimen to complement any size garden USDA hardiness zones 5 -9). Oakleaf hydrangea is a native plant that delights gardeners with four seasons of distinct features. In spring, oak-shaped leaves are followed by summer’s white-panicled flowers. When it sheds its colorful […]
Temperamental Big Leaf Hydrangeas
Posted by Hugh on March 25th, 2019
Get use to it… big leaf hydrangeas (Hydrangea macrophylla), also called hortensia hydrangeas, are temperamental (USDA hardiness zones 6-9). After a long winter of sub-freezing temperatures, these blue (or pink) flowering shrubs should be stunningly beautiful in spring. However, if the late winter- early spring temps flucuate wildly, grab your pruning shears. Too most gardeners, myself included, […]
Panicle Hydrangeas For Small Gardens And Containers
Posted by Hugh on June 13th, 2017
Panicle, PeeGee or PG hydrangeas (Hydrangea panculata) brighten up your July-August garden. They hail from China and Japan and grow almost anywhere in the U.S. (USDA hardiness zones 3 – 8). PG hydrangeas are far more reliable in northern areas (zones 3-5), than mophead hydrangeas (H. macrophylla). They flower at their best in full to partial day sunlight (6 hours […]
New PG Hydrangeas Excel In Performance
Posted by Hugh on August 10th, 2016
Panicle, PeeGee or PG hydrangeas (Hydrangea panculata) brighten up the July and August garden landscape. They’re native to China and Japan. They grow and bloom almost anywhere in the U.S. (USDA hardiness zones 3 – 8). Unlike mophead hydrangeas (H. macrophylla), that often fail in full day sun, PGs excel in 6 hours or more of sun. PG hydrangeas are vigorous growers with upright branching and coarse textured […]
Why Mophead Hydrangeas Do Not Bloom
Posted by Hugh on March 18th, 2015
The introduction of Endless Summer® hydrangeas in the 1990’s got gardeners excited about growing mophead hydrangeas (Hydrangea macrophylla) again. Mophead hydrangeas bloom both on old wood in the spring and again on new wood in mid-summer. Flowers have either a blue/pink color depending on the pH of the soil. Endless Summer hydrangeas bloomed […]
