Astilbe 'Sister Theresa' (25) plants
Common Name: Astilbe-Hybrid, False Spirea
Zones 4 to 9.
Full sun to full shade.
Plants reach 24 inches tall and 16 to 20 inches wide;
Clump forming habit.
Growth rate: Moderate, slow spreading, rhizomatous plants.
Large, blocky, salmon-pink plumes in early to mid-summer. Finely cut, medium to dark green leaves. Astilbe x arendsii (Hybrid Astilbe/False Spirea) is a group of hybrids that includes crosses between A. chinensis var. davidii with A. astilboides, A. japonica, and A. thunbergii. The resulting hybrids comprise over 95% of all Astilbe sold in the USA.
Astilbe are easily grown in average, medium, well-drained soils in part shade to full shade; whereas these long-lived perennials prefer rich soil with light shade to filtered sun. Plants do need moist conditions, hot sun and dry soils cause crisp foliage. They will grow in full shade, but will not be as floriferous. Compost mulch helps retain soil moisture and improves performance. Divide clumps when overcrowding occurs. Leave old foliage until early spring for winter protection and fertilize mid to late spring. If winter heave causes the crown to rise above soil level, gently press it back into the ground and apply organic matter around the plant.
Excellent as a border plant, container, cut flower or foliage, dried flower or seed heads, fragrant, mass plantings, mainstays of shade and woodland gardens. Deer and rabbit resistant.
Shipped bare root. |
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