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$19.50
Thryallis (Galphimia glauca) is a beautiful, heat-loving evergreen shrub that produces a long season of bright golden-yellow flowers. In warm climates like the Florida Panhandle, it can bloom from late spring through fall, creating a constant splash of color in the landscape.
This tough tropical-looking shrub thrives in full sun and hot weather, making it an excellent choice for Southern gardens where many plants struggle with heat. The airy clusters of yellow flowers attract butterflies and pollinators, adding life and movement to your garden.
Thryallis works wonderfully as a specimen plant, flowering hedge, or pollinator shrub, and it can also be grown in large containers.
Botanical Name: Galphimia glauca
Common Name: Thryallis
Plant Type: Evergreen flowering shrub
Mature Size: 4–6 ft tall × 3–4 ft wide (can be kept smaller with pruning)
Sun: Full sun to light shade
Water: Moderate; drought tolerant once established
Growth Rate: Moderate to fast
Bloom Season: Late spring through fall
Cold Hardiness: Zones 9–11 (may die back in colder winters but often returns)
✔ Pollinator gardens
✔ Flowering hedge or border
✔ Accent shrub
✔ Containers or patio plant
✔ Tropical or cottage gardens
Extremely heat tolerant
Long blooming season
Butterfly attracting
Low maintenance once established
If you'd like, I can also make you:
• A “Butterfly Magnet Plant” sales tag for this plant at your nursery 🦋
