Polemonium pauciflorum Plant Care
Polemonium pauciflorum S.Watson
Updated · Sources · How we source care data
Polemonium pauciflorum, the fewflower Jacob's-ladder, is a rare species of flowering plant in the phlox family found in the United States and Mexico.
Every 7–10 days
Partial shade to full shade
50–75°F
40–70%
At a glance
How do you care for Polemonium pauciflorum?
Water Polemonium pauciflorum every 7–10 days, letting the top layer of soil dry out between waterings, and give it partial shade to full shade. It prefers temperatures of 50–75°F (10–24°C) and 40–70% humidity. Fertilize it every 6 months during the growing season.
Where Is the Polemonium pauciflorum Native To?
What Is the Polemonium pauciflorum?
Polemonium pauciflorum (Polemonium pauciflorum) belongs to the Polemoniaceae family within the Polemonium genus. Polemonium pauciflorum is native to the United States and Mexico.
Polemonium pauciflorum displays a clumping perennial growth habit, reaching up to 1.5 ft tall with a spread of approximately 1 ft. Polemonium pauciflorum produces clusters of tubular, bell-shaped flowers in shades of blue, pink, or white.
Leaf size: approximately 4 inches.
How Often Should You Water a Polemonium pauciflorum?
Polemonium pauciflorum 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 Polemonium pauciflorum Need?
Polemonium pauciflorum thrives in partial shade to full shade. The optimal light range is 100–1,000 lux. Avoid placing Polemonium pauciflorum in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Partial shade to full shade
100–1,000 lux
What Temperature and Humidity Does the Polemonium pauciflorum Prefer?
Polemonium pauciflorum grows best at temperatures of 50–75°F. Polemonium pauciflorum prefers humidity levels of 40–70%.
Temperature
50–75°F
Humidity
40–70%
What Soil Mix Works Best for a Polemonium pauciflorum?
Moist, well-draining soil with high organic content. Good drainage is essential for Polemonium pauciflorum to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Polemonium pauciflorum?
Feed Polemonium pauciflorum 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 Polemonium pauciflorum?
Divide clumps 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 Polemonium pauciflorum?
Polemonium pauciflorum can be propagated through seeds, division. Similar propagation techniques also apply to sharp-flowered jacob's ladder plant care, which shares the same genus.
Is the Polemonium pauciflorum Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Polemonium pauciflorum, 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 Polemonium pauciflorum?
Polemonium pauciflorum is susceptible to aphids, spider mites, powdery mildew. 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 Polemonium pauciflorum Need?
Polemonium pauciflorum grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Polemonium pauciflorum is native to the United States and Mexico. In cooler regions, grow Polemonium pauciflorum as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Polemonium pauciflorum 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 Polemonium genus — compare its care with other Polemonium species on PlantoScan.
Polemonium is part of the Polemoniaceae plant family — browse all Polemoniaceae genera and species.
Polemonium pauciflorum copes with lower light than most plants — browse the full list of low-light plants.
More Polemonium Species
Other Polemonium species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Polemonium pauciflorum S.Watson, family Polemoniaceae (first published in Proc. Amer. Acad. Arts 23: 280 (1888)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Polemonium pauciflorum, 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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