Agastache mexicana Summerlong™ Coral
General Information
A dense, mounded Agastache that flowers throughout the summer with beautiful, bright flowers that attract pollinators.
Grower Information
Early blooming and easy to use in mixed deco pots for higher sales value. Ideal for pollinator programs and Fall programs.
Features delightful salmon-pink flowers.
'Balsumlora'
Protection Information: PP36,952; EU PBR72152
(Flowering Only License)
Breeder: Darwin Perennials
Product Form
Liner
Prefinished
URC
Growing Information
Propagation
Media EC/pH: EC 0.75-0.80 mmhos/pH 5.8-6.2
Soil Temperature: 70-72°F (21-22°C)
Rooting Hormone: 500 ppm IBA
Mist: Low to moderate
Fertilization: 50-75 ppm N
Pinching: Recommended after roots are established. Leave 4-5 active internodes.
Transplanting: 28-35 days after sticking
Comments: Stick cuttings the day of arrival, if possible.
Finishing
Media pH: 5.8-6.2
Temperature: Nights: 50 to 55°F (10 to 13°C) Days: 60 to 65°F (16 to 18°C)
Light Level (fc): 3,000 to 5,000
Vernalization: No
Daylength: Long day facultative
Watering: Allow media to dry regularly between watering.
Fertilization: Use a balanced fertilizer at a rate of 125 to 150 ppm.
Pinch After Transplant: Recommended
Plant Growth Regulators: PGRs generally not needed
Pests and Fungal Diseases: Thrips, white fly
Crop Scheduling
1–qt. (10–cm) pot, 1 plant per pot: Not recommended
1–gal. (15–cm) pot, 1 plant per pot: Unrooted: 15-17 wks Rooted: 10-12 wks
2 to 3–gal. (25 to 30–cm) pot, 3 plants per pot: Unrooted: 19-22 wks Rooted: 12-14 wks
Bloom Months: April to September
Garden Details
Scientific name: Agastache mexicana
Common Name: Mexican Giant Hyssop
Hardiness Zone: 7a - 10b
Hardiness Degree: 15°F (-9.4°C)
Blooming Season: Late Spring, Summer, Late Summer
Plant Habit: Mounded
Characteristics: Attracts Bees, Attracts Hummingbirds, Deer Resistant, Scented Foliage
Water: Light
Fertilize: None or when needed only
Spacing: 12 - 14 in. (30 - 36 cm)
Height: 16 - 22 in. (41 - 56 cm)
Width: 16 - 22 in. (41 - 56 cm)
Exposure: Sun
Videos
Agastache Summerlong - New for 2025
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Bench Card
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Agastache mexicana Summerlong™ Coral