SproutSmart
SproutSmart Intelligent Garden Sowing

French Thyme

Thyme
Botanical illustration of French Thyme
🌱 60d to harvest Upright

Aromatic as a sunlit garden path—French Thyme releases a bright, savory fragrance with a gentle, slightly sweet lift. Its fine, n…

Planting Schedule

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

Crop Dates

MilestoneDate
Start IndoorsMar 20th
Last FrostMay 15th
Transplant / Sow OutdoorsMay 15th
Harvest BeginsJul 14th
Harvest EndsAug 25th

Crop Details

TraitValue
Days to Maturity60
Sun RequirementsFull SunFull sun
Growth HabitUpright
Support NeededNone
Planting DepthNormal
Germination Temp (°F)70
Min Soil Temp (°F)60
Min Night Temp (°F)50
Harden Off (days)7

Frequently Asked Questions


What pests or diseases commonly affect Thymus vulgaris (French thyme), and how do I control them?
French thyme (Thymus vulgaris) is prone to fungal root/collar rot when soil stays wet, and it can also be hit by aphids on new growth. Let the soil dry slightly between waterings and grow it in well-drained soil; avoid overhead watering to reduce leaf moisture. If aphids appear, rinse them off with a strong jet of water and repeat every few days for a week, and remove heavily infested tips.
How often should I water French thyme during active growth, and what soil moisture level should I aim for?
During the main growing phase, water only when the top 1 inch (2–3 cm) of soil feels dry, then water deeply so moisture reaches the root zone. Aim for consistently well-drained soil—French thyme prefers evenly moist but not wet conditions, and frequent light watering can keep the root zone damp and increase rot risk. In hot weather, this often becomes about weekly watering for established plants, but always adjust to how quickly your soil dries.
How can I tell when French thyme is ready to harvest (Thymus vulgaris)?
You can start light harvesting once plants are well established (often around 6–8 weeks from sowing), but the best harvest is when stems are firm and leafy and plants reach about 6–8 inches tall, typically near 60 days to maturity. Harvest in the morning and cut just above woody stems, taking the top growth without stripping the plant. Stop major harvests about 2–3 weeks before your first expected frost to let new growth harden.
Botanical illustration of French Thyme

Aromatic as a sunlit garden path—French Thyme releases a bright, savory fragrance with a gentle, slightly sweet lift. Its fine, narrow leaves form a tidy, evergreen mound of tender sprigs, ideal for gathering again and again as new growth keeps coming. Grow French Thyme for flavorful seasoning in everyday savory dishes, from roasting blends and herb sauces to marinades and pickling brines where its classic, steady character shines.

Sowing Tips

Transplant Conditions

Wait until soil reaches 60°F and nights stay above 50°F before moving outdoors. Harden off for 7 days first.

Expert Note

For best germination and flavor, start thinly (lightly covered), keep evenly moist, and transplant only after nights are consistently warm and the soil has warmed.