Gamochaeta subfalcata Plant Care

Gamochaeta subfalcata (Gnaphalium antillanum) belongs to the Asteraceae family within the Gnaphalium genus. Gamochaeta subfalcata is native to the Greater Antilles and to the southeastern United States. Gamochaeta subfalcata is also known as Gnaphalium antillanum, Gnaphalium subfalcatum.

Gamochaeta subfalcata displays a low rosette, spreading growth habit, reaching up to 1 ft tall with a spread of approximately 1 ft. Gamochaeta subfalcata produces small yellow or white clustered flowers.

Leaf size: approximately 2 inches.

Gnaphalium antillanum requires watering every 7–10 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.

Gamochaeta subfalcata thrives in full sun to partial shade.

Gnaphalium antillanum grows best at temperatures of 60–80°F. Gamochaeta subfalcata prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.

Well-draining sandy loam with added organic matter. Good drainage is essential for Gamochaeta subfalcata to prevent waterlogging, which leads to root rot and fungal issues.

Feed Gamochaeta subfalcata every 2 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.

Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.

The PlantoScan app can remind you when to water and when to fertilize each plant.

Repot every 2-3 years in early spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.

Gamochaeta subfalcata can be propagated through seeds, division of clumps. Similar propagation techniques also apply to marsh cudweed plant care, which shares the same genus.

See all plants toxic to cats and plants toxic to dogs.

Gamochaeta subfalcata is susceptible to aphids, spider mites, whiteflies. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.

Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.

Gamochaeta subfalcata grows outdoors in USDA Zone 8a – 11b. It survives winters down to planting zone 8a. Gamochaeta subfalcata is native to the Greater Antilles and to the southeastern United States.