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Solidago 'Solar Cascade' (goldenrod)

Solidago 'Solar Cascade'


Delightful, golden-yellow flowers are borne in axillary clusters along reflexing stems from late summer into fall. Reliable, deep green, glossy foliage remains clean throughout the growing seasons. Not an aggressive runner, 'Solar Cascade' is a clump forming perennial reaching knee height, maxing out somewhere between the taller 'Fireworks' and more compact 'Golden Fleece'. Performs best in moist to average garden soil under full sun or partial shade; extremely drought tolerant once established. This great garden plant is easy to propagate and proved to be a standout in The Cincinnati Zoo and Botanical Garden perennial trials. Plant en masse for a dramatic effect or incorporate into seasonal arrangements.

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2-3 Feet


1-2 Feet


12-18 Inches

Bloom Color


USDA Hardiness Zone 3-8

goldenrod Interesting Notes

Solidago shortii ‘Solar Cascade’ has delightful, golden-yellow flowers borne on axillary clusters along reflexing stems blooming from late summer into fall. Growing 24-30” tall and 18-24” wide, ‘Solar Cascade’ has reliable, deep green, glossy foliage that remains clean throughout the growing seasons and forms neat clumps in the garden. Introduced by the Cincinnati Zoo Botanic Garden, Solidago shortii 'Solar Cascade' was developed as part of an effort to save this endangered species with Native Endangered Plant Program.

What makes Solidago shortii perfect for gardens is why it is rare and endangered in nature – research from Middle Tennessee State University found its smaller leaf size, large root to shoot biomass ratio and smaller flowers allows the plant to thrive in tough, drought conditions. However this species does not compete as readily as other, larger-leaved and copious seed-producing Solidago and is generally outcompeted in the wild. A federally endangered species, short’s goldenrod is endemic to three counties in northern Kentucky found in open rocky areas including limestone glades, rocky slopes, roadside ledges, wood margins, fields and along river banks. It performs best in full sun to part sun in moist, gravelly, calcareous, well-drained soils. Plants spread slowly by rhizome and can spread by seed but require cross-pollination by a pollinator. They are self-sterile.

A wonderful addition for native plant gardens, pollinator gardens, or in the perennial border, plant ‘Solar Cascade’ en masse for a dramatic effect or to incorporate into seasonal arrangements. Primarily pollinated by the soldier beetle, the easily accessible flower clusters are beloved by many insects, from skippers to wasps to flies to beetles. We enjoy its compact height, standing between the taller Solidago ‘Golden Fleece’ but shorter than ‘Fireworks’. Planting Solidago shortii ‘Solar Cascade’ helps save this beautiful endangered species by growing this selection in your gardens and allowing it to live on.

Good Substitutions

anise scented goldenrod Solidago odora
Solidago rigida
goldenrod Solidago Little Lemon® 'Dansolitlem'
goldenrod Solidago sphacelata 'Golden Fleece'

Key Characteristics & Attributes

Full Sun
Full Sun
Part Sun
Part Sun
Deer Resistant
Deer Resistant
Drought Tolerant
Drought Tolerant
Cut Flower
Cut Flower

Additional Information

Soil Moisture Needs
Plug Type
Horticultural Plug
Landscape Plug™
Clay Tolerance
Native to North America
Season of Interest (Flowering)
Late Summer
Propagation Type