Sticky Bluebells Plant Care
Collinsia callosa Parish
Updated · Sources · How we source care data
Collinsia callosa is a species of flowering plant in the plantain family known by the common name desert mountain blue-eyed Mary. It is endemic to California, where it grows in the mountains of the southernmost Sierra Nevada, the Transverse Ranges, and the mountains of the Mojave Desert region.
Every 4–7 days
Partial shade to full sun
50–80°F
40–70%
At a glance
How do you care for Sticky Bluebells?
Water Sticky Bluebells every 4–7 days, letting the top layer of soil dry out between waterings, and give it partial shade to full sun. It prefers temperatures of 50–80°F (10–27°C) and 40–70% humidity. Fertilize it every 6 months during the growing season.
Where Is the Sticky Bluebells Native To?
What Is the Sticky Bluebells?
Sticky Bluebells (Collinsia callosa) belongs to the Plantaginaceae family within the Collinsia genus. Sticky Bluebells is native to California.
Sticky Bluebells displays an upright, clumping perennial growth habit, reaching up to 1.5 ft tall with a spread of approximately 1 ft. Sticky Bluebells produces tubular flowers in shades of purple, pink, or white.
Leaf size: approximately 2 inches.
How Often Should You Water a Sticky Bluebells?
Collinsia callosa requires watering every 4–7 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 4–7 days
Let soil partially dry between waterings
What Light Does the Sticky Bluebells Need?
Sticky Bluebells thrives in partial shade to full sun.
Light Requirement
Partial shade to full sun
What Temperature and Humidity Does the Sticky Bluebells Prefer?
Collinsia callosa grows best at temperatures of 50–80°F. Sticky Bluebells prefers humidity levels of 40–70%.
Temperature
50–80°F
Humidity
40–70%
What Soil Mix Works Best for a Sticky Bluebells?
Moist, well-draining soil with high organic content. Good drainage is essential for Sticky Bluebells to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Sticky Bluebells?
Feed Sticky Bluebells 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 Sticky Bluebells?
Repot every 1-2 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 Sticky Bluebells?
Sticky Bluebells can be propagated through seeds. Similar propagation techniques also apply to chinese houses plant care, which shares the same genus.
Is the Sticky Bluebells Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Sticky Bluebells, 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 Sticky Bluebells?
Sticky Bluebells 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 Sticky Bluebells Need?
Sticky Bluebells grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Sticky Bluebells is native to California. In cooler regions, grow Sticky Bluebells as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Sticky Bluebells 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 Collinsia genus — compare its care with other Collinsia species on PlantoScan.
Collinsia is part of the Plantaginaceae plant family — browse all Plantaginaceae genera and species.
Sticky Bluebells thrives in bright light and direct sun — see other bright-light plants.
More Collinsia Species
Other Collinsia species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Collinsia callosa Parish, family Plantaginaceae (first published in Erythea 7: 96 (1899)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Sticky Bluebells, 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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