Agastache 'Summer Sky'Agastache 'Summer Sky'

Agastache ‘Summer Sky’


This plant is no longer for sale directly from TERRA NOVA® Nurseries. However, it may still be available through one of our Licensees or Retail Sources.

Blooms all summer with glowing violet-blue flowers with dark calyces which extend the showy season. A compact habit with bright green foliage. Drought tolerant. Loved by hummingbirds.

USDA Hardiness Zone(s): 7-10
Size (HT/W/FL HT): 20″ / 20″ / 24″
Exposure: Full Sun
Bloom Time(s): June, July, August, September

SKU: AGASUMSKY Categories: ,
Common Name Hummingbird mint
Family Lamiaceae
Genus Agastache
species hybrid
Plant Series Agastache SUMMER™ Series
Plant Type Perennial
US Patent # PP20952
EU Grant # --
Bloom Time June, July, August, September
Flower Color Blue, Purple
Foliage Color Green
Dormancy Winter
Exposure Full Sun
Growth Habit Clumping, Upright
Growth Rate Fast
Hardiness Zone 7, 8, 9, 10
How Different? It has a different blue flower color and different habit than the others. It is shorter and denser than other blue Agastache.
Landscape Value It is a great perennial color spot for summer bloom. It is drought tolerant once established. It attracts hummingbirds.
Most Active Growing Season Spring
Persistence Deciduous
Size (HT/W/FL HT) 20" / 20" / 24"
Soil (Garden) (Garden) Best in well drained, fertile Soil (Garden). Needs excellent drainage to overwinter. Mineral Soil (Garden)s are fine.
Water (Garden) Average
Special Uses Deep South, Deer Resistant, Fragrant, Hummingbird Attractor, Low Water Usage, Pollinator Attractor
Comments Easy to grow with good drainage. Survived to zone 4b on an exposed site with north winds in a screen garden.
Water (Greenhouse) Dry moderately between waterings.
EC 1.5 – 2.0
pH 5.5 – 6.5
Fertility Needs 100 – 150 ppm
Notes Long days benefit overall plant vigor and flowering. Pinch at transplant is beneficial.
Finish Time to 4″ 6 – 8 weeks
Finish Time to Gallon 10 – 12 weeks
Day Length for Flowering Facultative Long Day
Agastache 'Summer Sky' - Product Profile
Agastache 'Summer Sky' - Growing Recipe

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Please credit TERRA NOVA® Nurseries in the following manner:
Photo(s) courtesy of TERRA NOVA® Nurseries, Inc.

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