Smallflower woodland star Plant Care
Lithophragma parviflorum (Hook.) Nutt.
Updated · Sources · How we source care data
Lithophragma parviflorum is a species of flowering plant in the saxifrage family known by the common name smallflower woodland star. It is native to much of western North America from British Columbia to California to South Dakota and Nebraska, where it grows in several types of open habitat.
Every 7–14 days
Partial shade to full shade
50–75°F
40–70%
At a glance
How do you care for Smallflower woodland star?
Plant Smallflower woodland star in partial shade to full shade (USDA zones 12a) and water a young shrub every 7–14 days until it is established. It tolerates temperatures of 50–75°F (10–24°C). Fertilize it every 8 months during the growing season.
Where Is the Smallflower woodland star Native To?
What Is the Smallflower woodland star?
Smallflower woodland star (Lithophragma parviflorum) belongs to the Saxifragaceae family within the Lithophragma genus. Smallflower woodland star is native to much of western North America from British Columbia to California to South Dakota and Nebraska.
Smallflower woodland star displays a low rosette, spreading ground cover growth habit, reaching up to 0.5 ft tall with a spread of approximately 1 ft. Smallflower woodland star produces delicate, star-shaped white or pink flowers on tall stems.
Leaf size: approximately 2 inches.
How Often Should You Water a Smallflower woodland star?
Water a young or newly planted Smallflower woodland star every 7–14 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 7–14 days
Until established; then in dry spells
What Light Does the Smallflower woodland star Need?
Smallflower woodland star thrives in partial shade to full shade. The optimal light range is 100–500 lux. Avoid placing Smallflower woodland star in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Partial shade to full shade
100–500 lux
What Temperature and Humidity Does the Smallflower woodland star Prefer?
Lithophragma parviflorum tolerates temperatures of 50–75°F. Smallflower woodland star prefers humidity levels of 40–70%.
Temperature
50–75°F
Humidity
40–70%
What Soil Mix Works Best for a Smallflower woodland star?
Well-draining, sandy soil with added organic matter for moisture retention. Good drainage is essential for Smallflower woodland star to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Smallflower woodland star?
Feed Smallflower woodland star every 8 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 8 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 Smallflower woodland star?
Choose a spot with partial shade to full shade and well-draining, sandy soil with added organic matter for moisture retention. Avoid low spots where water collects after rain.
Smallflower woodland star 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 Smallflower woodland star?
Smallflower woodland star 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 Smallflower woodland star?
Prune Smallflower woodland star 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 Smallflower woodland star in Winter?
Smallflower woodland star 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 Smallflower woodland star?
Smallflower woodland star can be propagated through seeds, division of rhizomes. Similar propagation techniques also apply to california woodland star plant care, which shares the same genus.
Is the Smallflower woodland star Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Smallflower woodland star, 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 Smallflower woodland star?
Smallflower woodland star is susceptible to slugs, snails, aphids. 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 Smallflower woodland star Need?
Smallflower woodland star grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Smallflower woodland star is native to much of western North America from British Columbia to California to South Dakota and Nebraska. In cooler regions, grow Smallflower woodland star as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Smallflower woodland star 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 Lithophragma genus — compare its care with other Lithophragma species on PlantoScan.
Lithophragma is part of the Saxifragaceae plant family — browse all Saxifragaceae genera and species.
Smallflower woodland star copes with lower light than most plants — browse the full list of low-light plants.
More Lithophragma Species
Other Lithophragma species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Lithophragma parviflorum (Hook.) Nutt., family Saxifragaceae (first published in Fl. N. Amer. 1: 584 (1840)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Smallflower woodland star, 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.
