Strict False Snapdragon Plant Care
Neogaerrhinum strictum (Hook. & Arn.) Rothm.
Updated · Sources · How we source care data
Neogaerrhinum strictum, synonyms including Antirrhinum kelloggii and Neogaerrhinum kelloggii, is a species of flowering plant in the family Plantaginaceae. It is known by the common name Kellogg's snapdragon.
Every 7–10 days
Full sun to partial shade
50–80°F
40–70%
At a glance
How do you care for Strict False Snapdragon?
Water Strict False Snapdragon every 7–10 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 50–80°F (10–27°C) and 40–70% humidity. Fertilize it every 6 months during the growing season.
What Is the Strict False Snapdragon?
Strict False Snapdragon (Neogaerrhinum strictum) belongs to the Plantaginaceae family within the Neogaerrhinum genus.
Strict False Snapdragon displays an upright, branching perennial growth habit, reaching up to 1.5 ft tall with a spread of approximately 1 ft. Strict False Snapdragon produces tubular flowers in shades of purple, pink, or white.
Leaf size: approximately 2 inches.
How Often Should You Water a Strict False Snapdragon?
Neogaerrhinum strictum 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 Strict False Snapdragon Need?
Strict False Snapdragon thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Strict False Snapdragon Prefer?
Neogaerrhinum strictum grows best at temperatures of 50–80°F. Strict False Snapdragon prefers humidity levels of 40–70%.
Temperature
50–80°F
Humidity
40–70%
What Soil Mix Works Best for a Strict False Snapdragon?
Well-draining sandy loam with added organic matter. Good drainage is essential for Strict False Snapdragon to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Strict False Snapdragon?
Feed Strict False Snapdragon 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 Strict False Snapdragon?
Repot 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 Strict False Snapdragon?
Strict False Snapdragon can be propagated through seeds, division of clumps. Similar propagation techniques also apply to threadstem false snapdragon plant care, which shares the same genus.
Is the Strict False Snapdragon Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Strict False Snapdragon, 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 Strict False Snapdragon?
Strict False Snapdragon 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 Strict False Snapdragon Need?
Strict False Snapdragon grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. In cooler regions, grow Strict False Snapdragon as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Strict False Snapdragon 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 Neogaerrhinum genus — compare its care with other Neogaerrhinum species on PlantoScan.
Neogaerrhinum is part of the Plantaginaceae plant family — browse all Plantaginaceae genera and species.
Strict False Snapdragon 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: Neogaerrhinum strictum (Hook. & Arn.) Rothm., family Plantaginaceae (first published in Feddes Repert. Spec. Nov. Regni Veg. 52: 31 (1943)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Strict False Snapdragon, 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.
Identify Plants Like the
Strict False Snapdragon Instantly
Scan any plant with your phone camera and get instant ID, care tips, water and fertilizer reminders, and health checks — all in one app.
Free
to download
iOS & Android
platforms
Light & dark
mode
100,000+
species