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Astilbe simplicifolia ‘Key Largo’ PPAF

Astilbe ‘Key Largo’ is absolutely stunning in midsummer with a beautiful display of raspberry-pink plumes above finely textured shiny, deep green foliage that have contrasting dark red stems. Astilbe ‘Key Largo’ is one of the longest blooming of all the astilbes and it outblooms all other astilbes! It is known to produce twice as many flowers as other types of Astilbe. This is a dwarf Astilbe with a nice, very compact habit and it blooms in midsummer. It is both deer and rabbit resistant. Adaptable to the seashore.

‘Key Largo’ is most successfully grown in a shady area but can tolerate some morning sun. A moist, well-drained area is key for this plant. In order to keep Astilbe looking good for the next year, do not cut it back in the winter, (the old foliage helps protect the plant from winter damage), but prune in early spring.


# Description Qty per Unit Units Available Price/Unit
AB404 Astilbe simplicifolia 'Key Largo' PPAF out of stock $0.00

Plant Details +

Size 2-3 eye
Height 16-20"
Spacing 12"
Hardiness Zones 3-8
Exposure Full Shade to Partial Shade
Foliage Dark Green, Fern-Like Leaves
Flower Bright, Raspberry Pink Plumes
Bloomtime Mid Summer

General Information +

Botanical: Astilbe simplicifolia 'Key Largo'

Common: Astilbe (False Spirea)

Family: Saxifragaceae

General Characteristics: Attracts butterflies, but deer are unimpressed. This perennial continues to grow and fill out, becoming more impressive as it reaches maturity at three years old. Long lived. Happiest with moderate to generous amounts of water. Astilbes are mainstays of shade and woodland gardens. Site lacey astilbes near full foliage plants like hostas for an appealing contrast in forms. They are clump-forming perennials which feature graceful, fern-like mounds of mostly basal, 2-3 ternately compound leaves, usually with sharply-toothed leaflets, and tiny flowers densely packed into erect to arching, plume-like flower panicles rising above the foliage on slender, upright stems.

Planting/Care Instructions +

Pests or Diseases: No serious insect or disease problems. Foliage decline (leaf margins brown up), sometimes with significant dieback, may occur in hot summers and/or periods of drought if soils are not kept moist.

Planting Instructions: May be planted in any well-drained soil. Dig a hole large enough to encompass the roots without bending or circling. Set the plant in place so the crown (part of the plant where the root meets the stem) is about 1-2 inches below the soil surface. Cover with soil to the original soil surface and water thoroughly. Easily grown in average, medium, well-drained soils in part shade to full shade. Prefers moist, humusy, organically rich soils. Soils must not be allowed to dry out. If regularly watered, foliage will usually remain attractive throughout the growing season. A summer compost mulch helps retain soil moisture. Removing faded flower stalks will not prolong bloom but may improve plant appearance, particularly if a ground cover look is desired. On the other hand, many gardeners leave the flower stalks in place after bloom because of the continuing ornamental interest of the dried seed heads. Divide clumps when overcrowding occurs (every 3-4 years).