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Key characteristics

Family: Lamiaceae
Height: 16 to 22 inches
Width: 16 to 22 inches
Flower color: Lilac-pink
Foliage color: Green, fragrant
Bloom time: Early summer through fall
Light: Full sun
Water: Low; drought-tolerant once established
Maintenance: Low; prefers well-drained soil
Growing zone: USDA Zones 7 to 10
Wildlife: Attracts bees, hummingbirds, and butterflies

Perennials

Agastache mexicana 'Balsumlilac'

Summerlong Lilac Mexican Giant Hyssp

Agastache mexicana 'Balsumlilac', commonly known as Summerlong™ Lilac, is a compact, densely branched perennial that showcases bright lilac-pink blooms. This cultivar, derived from the Mexican giant hyssop native to central Mexico's oak forests, offers a beautiful display from early summer through fall. The tubular flowers are arranged in terminal spikes, attracting hummingbirds, bees, and butterflies, thereby enhancing the garden's ecological value.

The foliage of 'Balsumlilac' is aromatic, emitting a pleasant lemon and anise-like scent when touched, adding a sensory dimension to the garden experience.

Light

Full sun

Water

Low; drought-tolerant once established

Bloom time

Early summer through fall

Find this plant

Works well in

Borders
Sun Gardens
Pollinator Gardens
Hummingbird Gardens
Waterwise Gardens

Companion plants

Coreopsis · Bearded irises · Bee balm · Yarrow · Ornamental grasses · Garden phlox

Design tip

Fall bloom is its strength, and it earns a place near a path or seating area used late in the year. Give it open sun and room to fill out, and repeat it in threes or fives so the planting reads as one sweep instead of scattered dots.

Printable plant sheet (PDF)