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
Persistence Deciduous
US Patent # PP29527
EU Grant # EU51349
Hardiness Zone , , , , ,
Growth Habit ,
Size (HT/W/FL HT) 27" / 22" / 33"
Finish Time
Bloom Time , , , , ,
Growth Rate
Most Active Growing Season
Flowering Season
Flower Color , ,
Leaf Color
Soil Best in well drained, fertile soil. Needs excellent drainage to overwinter. Mineral soils are fine.
pH 5.5 - 6.5
Special Uses , , , , ,
Nutritional Needs 100 - 150 ppm
Dormancy Winter
Water (Greenhouse) Dry moderately between waterings.
Water (Garden) Average
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.
Finish Time to 4" 6 - 8 weeks
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.
Grower Notes Long days benefit overall plant vigor and flowering. Pinch at transplant is beneficial.
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