Tennessee Smart Yards Native Plants

A comprehensive database of Tennessee native plants

Dense St. John’s-wort, Bushy St. Johnswort

Dense St. John’s-wort, Bushy St. Johnswort

Hypericum densiflorum

Full sun; wet to dry moisture level; tolerates a wide range of soils including coarse sands, gravels, sandy loams to fine silts, stiff clay, peats, and mucks; moderately acid to neutral pH.

4-6 feet height by 3-4 feet spread; blooms in summer; golden yellow flowers; red brown to maroon seed capsules in fall.

Growth Rate:  Slow to medium

Maintenance:  Easy to grow.  Infrequent disease and insect problems.

Propagation:  Seed germination code A.  Moderately easy from cuttings and easy from seed.

Native Region:  Ridge and Valley Province

Deciduous shrub with upright oval habit, taller than broad and densely twiggy and leafy.  Yellow pouffy, pom-pom like flowers.  More prone to root diseases in wet years if planted in heavy clay.  Valuable source of pollen for bees.  Also attracts birds and butterflies.

shrub;sun;wet;clay
shrub;sun;wet;loam
shrub;sun;wet;sand
shrub;sun;wet;rocky
shrub;sun;medium;clay
shrub;sun;medium;loam
shrub;sun;medium;sand
shrub;sun;medium;rocky
shrub;sun;dry;clay
shrub;sun;dry;loam
shrub;sun;dry;sand
shrub;sun;dry;rocky

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