Archive for the ‘watering tips’ Category

English Oak Demands A Moist Well-drained Soil

Thinking about English oak (Quercus robur) brings to mind Robin Hood and Sherwood Forest. This majestic oak forms a broad spreading crown supported by a short sturdy trunk with a medium-brown, deeply-fissured bark (USDA hardiness zones 4-8). A young tree exhibits a pyramidal form. In a city park or golf course, it typically grows 50-70 […]

Mexican Sunflowers Thrive In A Hot Summer

Mexican sunflower (Tithonia rotundiloba) is a fast growing annual that produces vivid orange-red zinnia-like flowers from early summer to autumn frost. It is native to Mexico and Central America. Dark green leaves remain blemish-free all summer long. Snails and slugs are occasional pests during wet summers or when irrigated overhead. Plants grow 3-4 feet tall […]

Exclamation™ London Plane Tree Is A Game-Changer

Exclamation! London Plane Tree (Platanus x acerifolia Exclamation!™) is probably one the most improved cultivars to date (USDA hardiness zones 4-8). Exclamation! was introduced by Dr. George Ware at the Morton Arboretum and released through the Chicagoland Grows® program. Exclamation! develops a strong central leader, a uniform upright pyramidal shape (when young), a vigorous growth […]

The Giant Or Jumbo Class Of Hostas

The “Giant” class of hostas is aptly named. Cultivars in this class are novelties. Their enormous leaves and plant sizes (height and spread) definitely will make a bold statement in any garden. To attain their glorious best in plant majesty and leaf size, each cultivar must have a compost-rich, moist, well-drained soil with pH between […]

Tall Sedum – The New Mailbox Plant

Tall sedums (Sedum x spectabile) are a popular late summer blooming perennial often nicknamed “showy stonecrops” (USDA hardiness zones 3-9). Members of the succulent plant family, tall sedums have thick round leaves and are recognized for their drought resistance. Star shaped flowers are clustered in colors ranging from whites, pinks, and reds, depending on the […]

Four Old Fashioned Hostas Continue To Delight

During my annual summer travel to public gardens around the U.S., several clumps of old-timey hostas that were popular in the 1960’s and ’70’s caught my eye. These hosta beauties still own their garden place. Here are listed only four, but there are so many more. ‘Gold Standard’is an old-time favorite. In August multiple pink-lavender […]

Best Bluegrass Cultivars For Cool-Season Lawns

Across the northeastern U.S. and eastern Canada, cool season lawn grasses perform best. Bluegrass, often called “Kentucky bluegrass”, grows in zones with cool summer night temperatures and adequate annual rainfall. Bluegrass is not as heat and drought tolerant and a higher water use rate than tall fescue and warm-season grasses. Bluegrass performs best in moist […]

Plumleaf Azalea – Late July Flowering Shrub

Plumleaf azalea (Rhododendron prunifolium) is a native deciduous azaleas that indigenous to the Chattahoochee River Valley on the Georgia-Alabama line (USDA hardiness zones 6-9). The bright orange-red blooms surprise in late July to early August. Compared to many of the spring blooming species, flowers are not fragrant. Fall leaf color is uneventful. This 5-8 feet […]

Hosta Award Winners

Without question, hostas are the most popular perennial for the shade garden. Their lovely foliage provides color, texture and architecture in their garden space from April to a hard autumn frost. They are hardy, long-lived, and relatively maintenance-free. Hostas range in size from miniature 2 to 3 inches tall types to enormous large leafy clumps […]

Blazing Star– Electric Summer Flowering Perennial

Blazing star (Liatris spp.) is a popular summer flowering perennial. Also called gayfeather, it belongs in the aster family. This tall, upright, clump-forming perennial is found in moist meadows and at the edge of a marsh. (USDA hardiness zones 3-9). Liatris makes an excellent addition to a rain garden. Its distinctively reddish-purple flower spikes win […]