Small-spiked cryptantha Plant Care
Cryptantha microstachys Greene
Updated · Sources · How we source care data
Cryptantha microstachys is a species of flowering plant in the borage family known by the common name Tejon cryptantha. It is native to California and Baja California, where it grows in several types of habitat, including chaparral in the coastal and inland hills and mountains.
Every 7–14 days
Full sun to partial shade
50–80°F
30–60%
At a glance
How do you care for Small-spiked cryptantha?
Plant Small-spiked cryptantha in full sun to partial shade (USDA zones 12a) and water a young shrub every 7–14 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 Small-spiked cryptantha Native To?
What Is the Small-spiked cryptantha?
Small-spiked cryptantha (Cryptantha microstachys) belongs to the Boraginaceae family within the Cryptantha genus. Small-spiked cryptantha is native to California and Baja California.
Small-spiked cryptantha displays a low rosette, spreading growth habit, reaching up to 0.5 ft tall with a spread of approximately 1 ft. Small-spiked cryptantha produces tiny white or yellow flowers in clusters.
Leaf size: approximately 1 inches.
How Often Should You Water a Small-spiked cryptantha?
Water a young or newly planted Small-spiked cryptantha 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 Small-spiked cryptantha Need?
Small-spiked cryptantha thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Small-spiked cryptantha Prefer?
Cryptantha microstachys tolerates temperatures of 50–80°F. Small-spiked cryptantha prefers humidity levels of 30–60%.
Temperature
50–80°F
Humidity
30–60%
What Soil Mix Works Best for a Small-spiked cryptantha?
Well-draining sandy soil with some organic matter. Good drainage is essential for Small-spiked cryptantha to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Small-spiked cryptantha?
Feed Small-spiked cryptantha 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 Small-spiked cryptantha?
Choose a spot with full sun to partial shade and well-draining sandy soil with some organic matter. Avoid low spots where water collects after rain.
Small-spiked cryptantha 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 Small-spiked cryptantha?
Small-spiked cryptantha 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 Small-spiked cryptantha?
Prune Small-spiked cryptantha 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 Small-spiked cryptantha in Winter?
Small-spiked cryptantha 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 Small-spiked cryptantha?
Small-spiked cryptantha can be propagated through seeds, division of offsets.
Is the Small-spiked cryptantha Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Small-spiked cryptantha, 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 Small-spiked cryptantha?
Small-spiked cryptantha 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 Small-spiked cryptantha Need?
Small-spiked cryptantha grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Small-spiked cryptantha is native to California and Baja California. In cooler regions, grow Small-spiked cryptantha as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Small-spiked cryptantha 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 Cryptantha genus — compare its care with other Cryptantha species on PlantoScan.
Cryptantha is part of the Boraginaceae plant family — browse all Boraginaceae genera and species.
Small-spiked cryptantha 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: Cryptantha microstachys Greene, family Boraginaceae (first published in Pittonia 1: 116 (1887)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Small-spiked cryptantha, 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.
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