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SproutSmart Intelligent Garden Sowing

Elfin Thyme

Thyme
Botanical illustration of Elfin Thyme
🌱 120d to harvest Spreading

Aromatic as a sunlit hillside, Elfin Thyme forms a low, velvety mat that releases a bright, herbal perfume with every brush of th…

Planting Schedule

Add Elfin Thyme to your garden to build a schedule and get reminders.

Crop Dates

MilestoneDate
Start IndoorsFeb 9th
Last FrostMar 23rd
Transplant / Sow OutdoorsMay 11th
Harvest BeginsSep 8th
Harvest EndsNov 12th

Crop Details

TraitValue
Days to Maturity120
Sun RequirementsFull SunFull sun
Growth HabitSpreading
Support NeededNone
Planting DepthSurface
Germination Temp (°F)65
Min Soil Temp (°F)50
Min Night Temp (°F)40
Harden Off (days)7

Frequently Asked Questions


What pest or disease is most likely on Thymus serpyllum (elfin thyme), and how can I prevent it?
The most common issue is root/crown rot from overly wet, poorly drained soil, often showing up as sudden wilting or blackened stems at the base. Plant elfin thyme in fast-draining, gritty soil and water only when the surface has dried; avoid wetting the foliage. If you find affected plants, remove them promptly and replant in a drier spot rather than trying to “save” the crown.
How often should I water elfin thyme during its main growing phase?
During active growth (typically once established until midsummer), water deeply only when the top 1 inch of soil feels dry, then let it dry again before the next watering. In containers, check moisture more frequently, but keep it on the dry side—elfin thyme tolerates drought far better than constant moisture. Never keep the root zone evenly moist.
How do I know when elfin thyme is ready to harvest?
You can start harvesting around 90–120 days, when the plants have formed a dense mat and stems are pencil-like with lots of small leaves. Harvest in the morning and snip stems just above leaf nodes, taking only about one-third of the growth at a time so the mat can keep filling in. For best flavor, harvest before flowering or right at the first bud stage.
Botanical illustration of Elfin Thyme

Aromatic as a sunlit hillside, Elfin Thyme forms a low, velvety mat that releases a bright, herbal perfume with every brush of the fingers. Its tiny, needlelike leaves are richly green and densely textured, offering a concentrated flavor that shines in long-simmering dishes and quick-roasted favorites alike. Grow it for edging, pathways, and container spillovers—an ornamental herb that tastes as alive as it looks.

Sowing Tips

Transplant Conditions

Wait until soil reaches 50°F and nights stay above 40°F before moving outdoors. Harden off for 7 days first.

Expert Note

Start indoors lightly and keep seedlings on the drier side—creeping thyme establishes best in lean, well-drained soil and full sun.