Photo: no rights reservedCC0 1.0via iNaturalist
Long-stalked greenthumb Plant Care
Thelesperma longipes A.Gray
Updated · Sources · How we source care data
This plant's long, slender leaves are its most distinctive visual feature, giving it a unique and elegant appearance. Originating from the southwestern United States, plant collectors are drawn to Thelesperma longipes for its ability to thrive in hot, dry conditions while producing beautiful yellow daisy-like flowers.
Every 7–10 days
Full sun
50–85°F
30–60%
At a glance
How do you care for Long-stalked greenthumb?
Water Long-stalked greenthumb every 7–10 days, letting the top layer of soil dry out between waterings, and give it full sun. It prefers temperatures of 50–85°F (10–29°C) and 30–60% humidity. Fertilize it every 6 months during the growing season.
What Is the Long-stalked greenthumb?
Long-stalked greenthumb (Thelesperma longipes) belongs to the Asteraceae family within the Thelesperma genus. Long-stalked greenthumb is native to United States, Mexico. Long-stalked greenthumb is also known as Greenthumb.
Long-stalked greenthumb displays a low-growing perennial growth habit, reaching up to 0.5 ft tall with a spread of approximately 1 ft. Long-stalked greenthumb produces bright yellow daisy-like flowers.
Leaf size: approximately 2 inches.
How Often Should You Water a Long-stalked greenthumb?
Thelesperma longipes 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.
Watering Frequency
Every 7–10 days
Let soil partially dry between waterings
What Light Does the Long-stalked greenthumb Need?
Long-stalked greenthumb thrives in full sun.
Light Requirement
Full sun
What Temperature and Humidity Does the Long-stalked greenthumb Prefer?
Thelesperma longipes grows best at temperatures of 50–85°F. Long-stalked greenthumb prefers humidity levels of 30–60%.
Temperature
50–85°F
Humidity
30–60%
What Soil Mix Works Best for a Long-stalked greenthumb?
Well-draining sandy soil with some organic matter. Good drainage is essential for Long-stalked greenthumb to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Long-stalked greenthumb?
Feed Long-stalked greenthumb every 6 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.
Fertilizing
Every 6 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Long-stalked greenthumb?
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.
How Do You Propagate a Long-stalked greenthumb?
Long-stalked greenthumb can be propagated through seeds. Similar propagation techniques also apply to green-thread plant care, which shares the same genus.
Is the Long-stalked greenthumb Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Long-stalked greenthumb, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.
This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.
See all plants toxic to cats and plants toxic to dogs.
What Pests and Diseases Affect the Long-stalked greenthumb?
Long-stalked greenthumb is susceptible to aphids, spider mites. 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.
What USDA Hardiness Zone Does the Long-stalked greenthumb Need?
Long-stalked greenthumb grows outdoors in USDA Zone 8a – 10b. It survives winters down to planting zone 8a. Long-stalked greenthumb is native to United States, Mexico.
Hardiness Zone
Zone 8a – 10b
Keep exploring plants
Long-stalked greenthumb is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Thelesperma genus — compare its care with other Thelesperma species on PlantoScan.
Thelesperma is part of the Asteraceae plant family — browse all Asteraceae genera and species.
Long-stalked greenthumb thrives in bright light and direct sun — see other bright-light plants.
Related Plant Care Guides
Closely related plants with similar care requirements:
Sources
- Scientific name & taxonomy: Thelesperma longipes A.Gray, family Asteraceae (first published in Smithsonian Contr. Knowl. 3(5): 109 (1852)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Long-stalked greenthumb, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Photo: Public domain, CC0 1.0, iNaturalist — original.
- Hardiness zone: USDA Zone 8a – 10b, estimated from the plant's typical growing conditions.
- Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.
Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.
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