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Thryallis- Galphimia gracilis
Thryallis- Galphimia gracilis

Malpighiaceae Galphimia Gracilis none

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Shipping Information
Grows InZone 9A · 20° to 25° F through Zone 11 · Above 40° F
Sun ExposureFull / Mostly Sun
Soil DrainageWell Drained
Resistent ToDeer Resistant, Drought, Insect, Disease, Mildew, Heat
Flower ColorBright Yellow
BloomsSpring Blooms, Summer Blooms, Fall Blooms
Foliage ColorBronze, Light Green
Average Height5' to 6', 4' to 5'
Average Width4' to 6'
AttractsButterflies, Wildlife, Visual Attention, Songbirds / Birds
FragrancesFragrant Flowers
Additional Information About Thryallis- Galphimia gracilis

NOTICE:  We do not ship our tropical plants to a location unless and until low temperatures are above 55 degrees Fahrenheit 

More about Thryallis...

Noteworthy Characteristics

Spring and fall bring masses of bright yellow flowers however you can expect flowering almost all year in Zones 9 and further south on this tropical shrub. The flowers are highly attractive to butterflies so it's an excellent selection for butterfly gardens. Thryallis is a very good candidate for low maintenance landscapes. It is very easy to grow, drought resistant, prefering dry, sandy soil. Its maximum height is about 6 feet though can be trimmed to a much lower height, making it a very versatile landscape plant. 


Thryallis is one of the best tropical shrubs for shearing into low hedges. You can grow it underneath low windows in foundation planting where its thicket of stems discourage criminals and peeping toms. Also great as a background plant for perennial beds or massed as a large scale groundcover on slopes and embankments to prevent erosion. It is also does well in greenhouses and in containers that can be broguht indoors for the winter above Zone 9.


USDA Zones : 9a-11

Plant Type:  Tropical Shrub
Height:  3-6'
Width:  3-6'
Sun / Light Needs:   Full to Mostly Sun is preferred for fullest growth and best flowering
Soil Type:  Well-drained, dry sandy soils. Very drought resistant.
Water Needs:  Low
Fertilizer Needs: 2 times a year with a well-balanced shrub food
Maintenance: Low
Flower Color:  Yellow
Bloom Season:  Heavy in Spring and Fall, sporadically through the entire year
Fragrance:  None
Attracts:  Butterflies and pollinating insects
Resistances:  Deer, Drought, Heat
Salt Tolerance:  Moderate
Houseplant Usage: Can be overwintered indoors or in greenhouse

Helpful Articles from Our Experts

How To Overwinter Tropical Plants Indoors

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