Alert: Limited Online Availability

Now that summer is here, we have limited our stock for online purchase. Find Monrovia plants at your local garden center. Pre-order for 2023 will be available later this year. ×

We no longer grow this plant.
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Heatwave Agastache

Agastache 'Heatwave' PP #19,662

SKU
05904
Eye-catching spikes of lavender-pink blooms contrast handsomely with blue-green foliage, providing vibrant color, summer through fall. Spicy licorice-scented foliage with vibrant tubular flowers that attract hummingbirds and butterflies. Mass toward the rear of perennial borders for striking effect. Herbaceous.
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5-10

Your climate might be too cold for this plant:

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Full sun

Water regularly in extreme heat for best performance.

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Botanical Pronunciationah-gas-TAH-kee
Average Size at MaturityUpright, clumping habit 20 in. tall and wide; 36 in. tall in bloom.
Bloom TimeSummer to Fall
Deciduous/ EvergreenHerbaceous
Flower AttributeFlowers for Cutting, Showy Flowers
Flower ColorPurple
Foliage ColorBlue-green
Garden StyleCottage, Mediterranean, Rustic
Growth RateModerate
Landscape UseBorder, Mass Planting, Cutting Garden
Light NeedsFull sun
Patent ActAsexual reproduction of plants protected by the Plant Patent Act is prohibited during the life of the patent.
Soil NeedsFlower & Rose Food
Special FeatureAttracts Butterflies, Attracts Hummingbirds, Waterwise
Water NeedsModerate
Watering NeedsWater regularly in extreme heat for best performance.
Companion PlantsConeflower (Echinacea); Black-Eyed Susan (Rudbeckia); Ice Plant (Delosperma); Switch Grass (Panicum); Russian Sage (Perovskia)

Requires well-drained soil. Water regularly during first growing season to establish a deep, extensive root system. Requires less water once established. Hard prune and feed with a general purpose fertilizer before new growth begins in spring. Clip spent flowers to encourage reblooming.

This Plant's Growing Zones: 5-10

USDA Cold Hardiness Zone Map

Your USDA Cold Hardiness Zone:

Your climate may be too cold for this plant