University of Maryland Extension

perennials

Euphorbia ‘Mrs. Robb’s Bonnet’

Euphorbia amygdaloides ‘ Robbiae’ For gardeners on the lookout for plants with multi-season interest, this perennial euphorbia merits examination. In spring and summer, rosettes of leaves are a shiny deep green, a good backdrop for sprays of chartreuse flowers in late spring/early summer. In fall,...

Introduction to Herbaceous Perennials (HG20)

U SING PERENNIALS Enthusiasm for perennials has been on the increase in this country since the late seventies. This is due in part to the wide selection of herbaceous perennials available today, their ornamental appeal and their ability to thrive with minimal care. Fortunately, there are many...

Blue Mist Flower, Hardy Ageratum

Conoclinium coelestrium Blue is not a common bloom color this time of year. Yet hardy ageratum, with its fuzzy-headed old-fashioned look, adds its blue-purple toned flowers and attracts butterflies to the garden from late summer until late in fall. Native to the eastern U.S., hardy ageratum looks...

Featured Plants - Heliopsis

Heliopsis helianthoides Heliopsis bears bright yellow daisy-like flower in glorious profusion from early-summer through early-autumn. This under-utilized native perennial, also known as oxeye sunflower, is a bushy plant, useful in a sunny summer flower border or wildflower meadow. They are magnets...

Baltimore County Master Gardeners Benefit PLANT SALE

Saturday, May. 11, 2013 - 9:00am to 2:00pm
Baltimore County Agriculture Center
Shade & Sun Perennials, Natives, Deer Resistant Plants, Herbs & Vegetables. Lots of Heirloom Tomatoes! Bigger than ever! In Partnership with Baltimore County Big Tree Sale! Cash or check only!

Featured Plants - Stokes' Aster

Stokes’Aster - Photo by Marian Hengemihle
Stokesia laevis ‘Klaus Jelitto’ Native to the southeastern US, this easy to grow perennial makes a colorful addition to sunny borders, containers, and wildflower or cutting gardens. In summer floral arrangements, blooms persist about a week after cutting. ‘Klaus Jelitto’ variety, named for the...
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