Gayophytum diffusum Plant Care
Gayophytum diffusum Torr. & A.Gray
Updated · Sources · How we source care data
Gayophytum diffusum is a species of flowering plant in the evening primrose family known by the common name spreading groundsmoke. It is native to western North America where it is a common member of many different habitats.
Every 7–10 days
Full sun to partial shade
50–80°F
40–70%
At a glance
How do you care for Gayophytum diffusum?
Plant Gayophytum diffusum in full sun to partial shade (USDA zones 12a) and water a young shrub every 7–10 days until it is established. It tolerates temperatures of 50–80°F (10–27°C). Fertilize it every 6 months during the growing season.
Where Is the Gayophytum diffusum Native To?
What Is the Gayophytum diffusum?
Gayophytum diffusum (Gayophytum diffusum) belongs to the Onagraceae family within the Gayophytum genus. Gayophytum diffusum is native to western North America.
Gayophytum diffusum displays a low rosette, spreading ground cover growth habit, reaching up to 0.5 ft tall with a spread of approximately 1 ft. Gayophytum diffusum produces small, delicate white or pink flowers in clusters.
Leaf size: approximately 2 inches.
How Often Should You Water a Gayophytum diffusum?
Water a young or newly planted Gayophytum diffusum every 7–10 days, soaking the whole root zone, until it is established — usually one to two growing seasons. Established shrubs mainly need water during long dry spells. In a container, water whenever the top few centimetres of soil are dry.
Watering Frequency
Every 7–10 days
Until established; then in dry spells
What Light Does the Gayophytum diffusum Need?
Gayophytum diffusum thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Gayophytum diffusum Prefer?
Gayophytum diffusum tolerates temperatures of 50–80°F. Gayophytum diffusum prefers humidity levels of 40–70%.
Temperature
50–80°F
Humidity
40–70%
What Soil Mix Works Best for a Gayophytum diffusum?
Well-draining sandy soil with added organic matter for moisture retention. Good drainage is essential for Gayophytum diffusum to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Gayophytum diffusum?
Feed Gayophytum diffusum every 6 months during the growing season with a balanced, slow-release fertilizer at the rate on the label. Established shrubs in good soil often need little extra feeding, so let weak growth or pale foliage guide you.
Stop feeding by late summer so new growth can harden before winter.
Fertilizing
Every 6 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
Where Should You Plant a Gayophytum diffusum?
Choose a spot with full sun to partial shade and well-draining sandy soil with added organic matter for moisture retention. Avoid low spots where water collects after rain.
Gayophytum diffusum is suited to USDA Zone 12a.
Plant container-grown or balled-and-burlapped shrubs in spring or early autumn, setting the root flare at soil level, and water well after planting.
How Far Apart Should You Plant a Gayophytum diffusum?
Gayophytum diffusum can spread to about 1 ft (0.3 m) and reach about 1 ft (0 m) tall. Space plants about 1 ft (0.3 m) apart so mature crowns don't crowd each other, and plant at least half that distance from buildings, fences and paths.
Planning a row or hedge? Try the plant spacing calculator.
How Do You Prune a Gayophytum diffusum?
Prune Gayophytum diffusum while it is dormant in late winter: first remove dead, damaged and crossing branches, then thin lightly for shape.
If it flowers in spring, prune right after flowering instead so you don't remove next year's buds. Never take off more than about a quarter of the shrub in one year.
How Do You Care for a Gayophytum diffusum in Winter?
Gayophytum diffusum is frost-tender (hardy to USDA zone 12). In colder areas grow it in a container and move it to a bright, frost-free place before the first frost.
How Do You Propagate a Gayophytum diffusum?
Gayophytum diffusum can be propagated through seeds, division of offsets.
Is the Gayophytum diffusum Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Gayophytum diffusum, 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 Gayophytum diffusum?
Gayophytum diffusum is susceptible to aphids, spider mites, leaf miners. 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 Gayophytum diffusum Need?
Gayophytum diffusum grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Gayophytum diffusum is native to western North America. In cooler regions, grow Gayophytum diffusum as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Gayophytum diffusum 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 Gayophytum genus — compare its care with other Gayophytum species on PlantoScan.
Gayophytum is part of the Onagraceae plant family — browse all Onagraceae genera and species.
Gayophytum diffusum 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: Gayophytum diffusum Torr. & A.Gray, family Onagraceae (first published in Fl. N. Amer. 1: 513 (1840)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Gayophytum diffusum, 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.
