Veronicastrum sibiricum Plant Care
Veronicastrum sibiricum (L.) Pennell
Updated · Sources · How we source care data
Veronicastrum sibiricum, the Sibirian veronicastrum, is a plant in the plantain family Plantaginaceae.
Every 7–10 days
Full sun to part shade
60–75°F
40–60%
At a glance
How do you care for Veronicastrum sibiricum?
Water Veronicastrum sibiricum every 7–10 days, letting the top layer of soil dry out between waterings, and give it full sun to part shade. It prefers temperatures of 60–75°F (16–24°C) and 40–60% humidity. Fertilize it every 6 months during the growing season.
What Is the Veronicastrum sibiricum?
Veronicastrum sibiricum (Veronicastrum sibiricum) belongs to the Plantaginaceae family within the Veronicastrum genus.
Veronicastrum sibiricum displays an upright, clumping perennial growth habit, reaching up to 4 ft tall with a spread of approximately 2 ft. Veronicastrum sibiricum produces tall spikes of tiny, tubular flowers in shades of purple, pink, or white.
Leaf size: approximately 6 inches.
How Often Should You Water a Veronicastrum sibiricum?
Veronicastrum sibiricum 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 Veronicastrum sibiricum Need?
Veronicastrum sibiricum thrives in full sun to part shade.
Light Requirement
Full sun to part shade
What Temperature and Humidity Does the Veronicastrum sibiricum Prefer?
Veronicastrum sibiricum grows best at temperatures of 60–75°F. Veronicastrum sibiricum prefers humidity levels of 40–60%.
Temperature
60–75°F
Humidity
40–60%
What Soil Mix Works Best for a Veronicastrum sibiricum?
Moist, well-draining soil rich in organic matter. Good drainage is essential for Veronicastrum sibiricum to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Veronicastrum sibiricum?
Feed Veronicastrum sibiricum 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 Veronicastrum sibiricum?
Divide and repot every 3-4 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 Veronicastrum sibiricum?
Veronicastrum sibiricum can be propagated through division, seeds. Similar propagation techniques also apply to culvers root plant care, which shares the same genus.
Is the Veronicastrum sibiricum Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Veronicastrum sibiricum, 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 Veronicastrum sibiricum?
Veronicastrum sibiricum 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 Veronicastrum sibiricum Need?
Veronicastrum sibiricum grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. In cooler regions, grow Veronicastrum sibiricum as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Veronicastrum sibiricum 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 Veronicastrum genus — compare its care with other Veronicastrum species on PlantoScan.
Veronicastrum is part of the Plantaginaceae plant family — browse all Plantaginaceae genera and species.
Veronicastrum sibiricum 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: Veronicastrum sibiricum (L.) Pennell, family Plantaginaceae (first published in Acad. Nat. Sci. Philadelphia Monogr. 1: 321 (1935)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Veronicastrum sibiricum, 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 13a, 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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