Heatwave Agastache

Agastache 'Heatwave' PP #19,662

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.
There are very few rules in gardening, but perhaps the most important one is to work within your zone. Choosing plants that grow and thrive in your particular climate is the very first step toward having a beautiful garden . Learn More

Your climate might be too cold for this plant:


Full sun

Water regularly in extreme heat for best performance.

We no longer grow this plant

This page is for reference only. If you are looking for a plant to purchase, please use our Plant Finder to discover the perfect plant for your garden.

Set Zip to See Prices
More Information
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

Your USDA Cold Hardiness Zone:

Your climate may be too cold for this plant