Agastache 'Morello'Agastache 'Morello'

Agastache ‘Morello’

Amazingly huge, dense inflorescences of deep burgundy rose that bloom from spring through fall. Showy, dark foliage in cool temperatures extend the beauty. 'Morello' has a strongly upright habit that forms multiple crowns quickly. Good mildew tolerance. Loved by bees and hummingbirds.

USDA Hardiness Zone(s): 5-10
Size (HT/W/FL HT): 27″ / 22″ / 33″
Exposure: Full Sun
Bloom Time(s): May, June, July, August, September, October

Common Name Hummingbird mint
Family Lamiaceae
species hybrid
Plant Type
US Patent # PP29527
EU Grant # EU51349
Bloom Time , , , , ,
Flower Color , ,
Foliage Color
Dormancy Winter
Growth Habit ,
Growth Rate
Hardiness Zone , , , , ,
How Different? Compared to 'Bolero', it is more upright, more clumping, with larger flowers and larger, denser inflorescences. Longer blooming.
Landscape Value Use in the mid border as a single plant or a mass, Use in large containers.
Most Active Growing Season
Persistence Deciduous
Size (HT/W/FL HT) 27" / 22" / 33"
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 , , , , ,
Comments Took Top 10 award at Univerisity of Georgia perennial trials 2017. Rated 4.8 out of 5 at Pennsylvania State University trials 2017 ("Excellent. One of the best"). #4 of the top pollinators (in order of attractiveness) at Ohio State University trials 2017, including annuals. 'Best of Variety' award at Penn State 2017 trials. Also, Deneen Shaffer wrote: “Our farm favorite was the Morello Agastache, described to me as ’A great plant in every way. Strong color in both the blooms and foliage; neat, controlled habit; appealing architecture; consistent, all over blooming.’“ One of Vaughn Fletcher's "Phenomenal Perennials" in Greenhouse Product News January 2018.
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 'Morello' - Product Profile
Agastache 'Morello' - Growing Recipe

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  • May, 2019 – Greenhouse Product News (GPN)click here
  • January/February, 2019 – Horticultureclick here
  • January/February, 2019 – The Gateway Gardenerclick here
  • December, 2018 – Garden Centerclick here