Plantsman, lecturer and landscape consultant Roy Diblik is co-owner of Northwind Perennial Farm in Burlington, Wis., and author of Roy Diblik’s Small Perennial Gardens, the Know Maintenance Approach. Watch for his new book, The Know Maintenance Perennial Garden, published by Timber Press, in early 2014.

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Wild Quinine
by Roy Diblik       #Hot Plants

This underused plant has everything going for it: flowers through most of the summer; an upright, beautiful habit; and tremendous fall and winter interest. Wild quinine grows 36-40 inches tall with a spread of 18-24 inches. This architectural plant mixes well with grasses. In summer, the white, flat, mounded clusters of flowers look like summer clouds floating through the garden. In fall, the seedheads, stems and foliage turn dark brown, creating a strong presence going into winter. I especially like it with hardy geranium (Geranium sanguineum) and Moorhexe purple moor grass (Molinia caerulea spp.caerulea ‘Moorhexe’).

Common Name: Wild quinine

Botanical Name: Parthenium integrifolium

Color: Flat-headed clusters of white flowers.

Blooming Period: June through August

Exposure: Full sun

When to Plant: Throughout the growing season as long as you water regularly until established

Soil: Moist to slightly dry

Watering: Keep moist until established. Thereafter, does not need supplemental watering.

When to fertilize: Needs no commercial fertilizer. Nutrients can be provided by mulching with leaf compost every two to three years.

Hardiness Zones: 4 through 8

In Your Landscape: I like to grow it with ornamental grasses, coneflower (Echinacea spp.)andGeranium sanguineum.

From Wisconsin Gardening Volume II Issue VI. Photo courtesy of Roy Diblik.


Posted: 08/15/14   RSS | Print


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