Gentry's desertbroom Plant Care
Crossothamnus gentryi R.M.King & H.Rob.
Updated · Sources · How we source care data
This plant is easily recognizable by its dense clusters of vibrant yellow flowers, native to the highlands of Mexico. Plant collectors are drawn to Crossothamnus gentryi for its unique color and rarity in cultivation, making it a prized addition to any collection.
Every 7–10 days
Full sun to partial shade
50–80°F
40–70%
At a glance
How do you care for Gentry's desertbroom?
Water Gentry's desertbroom every 7–10 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 50–80°F (10–27°C) and 40–70% humidity. Fertilize it every 6 months during the growing season.
What Is the Gentry's desertbroom?
Gentry's desertbroom (Crossothamnus gentryi) belongs to the Asteraceae family within the Crossothamnus genus. Gentry's desertbroom is native to Ecuador and Peru.
Gentry's desertbroom displays a compact, mounding perennial growth habit, reaching up to 1.5 ft tall with a spread of approximately 1.5 ft. Gentry's desertbroom produces small daisy-like flowers in various colors.
Leaf size: approximately 3 inches.
How Often Should You Water a Gentry's desertbroom?
Crossothamnus gentryi 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 Gentry's desertbroom Need?
Gentry's desertbroom thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Gentry's desertbroom Prefer?
Crossothamnus gentryi grows best at temperatures of 50–80°F. Gentry's desertbroom prefers humidity levels of 40–70%.
Temperature
50–80°F
Humidity
40–70%
What Soil Mix Works Best for a Gentry's desertbroom?
Well-draining sandy loam with added organic matter. Good drainage is essential for Gentry's desertbroom to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Gentry's desertbroom?
Feed Gentry's desertbroom 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 Gentry's desertbroom?
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 Gentry's desertbroom?
Gentry's desertbroom can be propagated through seeds, division of root ball.
Is the Gentry's desertbroom Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Gentry's desertbroom, 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 Gentry's desertbroom?
Gentry's desertbroom 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.
What USDA Hardiness Zone Does the Gentry's desertbroom Need?
Gentry's desertbroom grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Gentry's desertbroom is native to Ecuador and Peru. In cooler regions, grow Gentry's desertbroom as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Gentry's desertbroom 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 Crossothamnus genus — compare its care with other Crossothamnus species on PlantoScan.
Crossothamnus is part of the Asteraceae plant family — browse all Asteraceae genera and species.
Gentry's desertbroom 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: Crossothamnus gentryi R.M.King & H.Rob., family Asteraceae (first published in Phytologia 78: 382 (1995)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Gentry's desertbroom, 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.
- Hardiness zone: USDA Zone 12a, calculated from the plant's minimum temperature.
- 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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