Spanish Thyme Plant Care
Thymus mastichina subsp. mastichina
Updated · Sources · How we source care data
Thymus mastichina subsp. mastichina, also known as white thyme, stands out for its small, silvery leaves that emit a strong aroma when crushed. This perennial herb is native to the Mediterranean region and is loved by plant enthusiasts for its culinary and medicinal uses.
Every 7–14 days
Full sun to partial shade
60–80°F
40–60%
At a glance
How do you care for Spanish Thyme?
Water Spanish Thyme every 7–14 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 60–80°F (16–27°C) and 40–60% humidity. Fertilize it every 8 months during the growing season.
What Is the Spanish Thyme?
Spanish Thyme (Thymus mastichina subsp. mastichina) belongs to the Lamiaceae family within the Thymus genus. Spanish Thyme is native to Mediterranean region, Spain, Portugal. Spanish Thyme is also known as Mastic Thyme.
Spanish Thyme displays a low mat-forming herb growth habit, reaching up to 0.5 ft tall with a spread of approximately 1.5 ft. Spanish Thyme produces small, tubular pink to purple flowers in dense clusters.
Leaf size: approximately 0.5 inches.
How Often Should You Water a Spanish Thyme?
Thymus mastichina subsp. mastichina requires watering every 7–14 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 7–14 days
Let soil partially dry between waterings
What Light Does the Spanish Thyme Need?
Spanish Thyme thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Spanish Thyme Prefer?
Thymus mastichina subsp. mastichina grows best at temperatures of 60–80°F. Spanish Thyme prefers humidity levels of 40–60%.
Temperature
60–80°F
Humidity
40–60%
What Soil Mix Works Best for a Spanish Thyme?
Well-draining, sandy soil with good aeration. Good drainage is essential for Spanish Thyme to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Spanish Thyme?
Feed Spanish Thyme every 8 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 8 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 Spanish Thyme?
Divide and replant every 3-4 years. 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 Spanish Thyme?
Spanish Thyme can be propagated through seeds, division of clumps, stem cuttings. Similar propagation techniques also apply to early thyme plant care, which shares the same genus.
Is the Spanish Thyme Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Spanish Thyme, 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 Spanish Thyme?
Spanish Thyme 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 Spanish Thyme Need?
Spanish Thyme grows outdoors in USDA Zone 8a – 10b. It survives winters down to planting zone 8a. Spanish Thyme is native to Mediterranean region, Spain, Portugal.
Hardiness Zone
Zone 8a – 10b
Keep exploring plants
Spanish Thyme 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 Thymus genus — compare its care with other Thymus species on PlantoScan.
Thymus is part of the Lamiaceae plant family — browse all Lamiaceae genera and species.
Spanish Thyme thrives in bright light and direct sun — see other bright-light plants.
More Thymus Species
Other Thymus species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Thymus mastichina subsp. mastichina, family Lamiaceae (first published in Unknown) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Spanish Thyme, 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 8a – 10b, estimated from the plant's typical growing conditions.
- 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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