When Can I Plant Lavender? Best Times by Zone

By Rachel Green · April 27, 2025

Lavender can be planted in spring or early fall, depending on your climate zone. In USDA zones 5–8, spring planting (after the last frost) is ideal for establishing strong roots before winter. In warmer zones 9–11, fall planting (September to October) allows lavender to develop roots during cooler months without summer heat stress. Avoid planting during extreme temperatures.

Best Time to Plant Lavender by Climate Zone

The optimal planting time for lavender varies significantly based on regional climate conditions. Understanding your USDA hardiness zone helps determine whether spring or fall is better for planting.

When to Plant in Cool Climates (Zones 5–8)

In colder regions, spring is the best time to plant lavender. Wait until after the last frost date when soil temperatures reach at least 60°F (15.5°C). This ensures seedlings or transplants aren't damaged by freezing temperatures and have enough growing season to establish before winter dormancy.

Late April to early June is ideal in zones 5–7
Mid-spring (April) works best in zone 8
Ensure plants are established 8–10 weeks before first fall frost

When to Plant in Warm Climates (Zones 9–11)

In areas with mild winters and hot summers, fall planting gives lavender a head start. Cooler temperatures and seasonal rains help roots develop without heat stress. Lavender planted in fall will be well-established by the time summer heat arrives.

Best window: September to October
Avoid planting during summer heatwaves (above 90°F)
Fall-planted lavender often outperforms spring-planted in these zones

Factors That Influence Lavender Planting Success

Timing is crucial, but other environmental factors play a major role in lavender survival and growth.

Soil Conditions

Lavender thrives in well-drained, slightly alkaline soil (pH 6.7–7.3). Heavy clay soils retain moisture and lead to root rot. Amend soil with sand or gravel to improve drainage.

Sunlight Requirements

Lavender needs full sun — at least 6–8 hours of direct sunlight daily. Insufficient light results in leggy growth and fewer blooms.

Watering Needs After Planting

While drought-tolerant once established, newly planted lavender requires consistent moisture for the first 4–6 weeks. Water deeply once or twice per week, then taper off as plants mature.

Optimal Lavender Varieties by Planting Season

Different lavender species perform better under specific planting conditions. Choosing the right variety increases success rates.

Variety	Best Planting Season	USDA Zones	Winter Survival Rate (%)	Mature Height
English Lavender (L. angustifolia)	Spring	5–8	85	12–18 in
French Lavender (L. stoechas)	Fall	8–11	72	24–36 in
Spanish Lavender (L. dentata)	Fall	8–10	78	18–24 in
Lavandin (L. x intermedia)	Spring	5–9	88	24–30 in
Portuguese Lavender (L. latifolia)	Fall	7–10	80	24–36 in

Table data source:1, 2, 3

The data shows that English lavender and lavandin varieties have the highest winter survival rates when planted in spring, especially in cooler zones. Conversely, Mediterranean types like French and Spanish lavender perform better when planted in fall in warm climates, where winter survival depends more on avoiding summer transplant shock than cold tolerance.

Common Mistakes to Avoid When Planting Lavender

Even with proper timing, several common errors reduce lavender success rates.

Planting too deep: Keep the crown level with the soil surface to prevent rot.
Overwatering: Lavender prefers dry soil; excessive moisture kills more plants than cold.
Poor air circulation: Space plants 18–24 inches apart to reduce fungal disease risk.
Using rich compost or fertilizer: Lavender thrives in low-fertility soil; too many nutrients promote weak, leafy growth.

Frequently Asked Questions About When to Plant Lavender

Can I plant lavender in summer?

It's not recommended to plant lavender in summer, especially in hot climates. High temperatures stress new plants and increase transplant shock. If necessary, plant in early summer with frequent watering and partial shade until established.

Is spring or fall better for planting lavender?

Spring is better in cold climates (zones 5–8), while fall is preferred in warm climates (zones 9–11). Fall planting allows root development without heat stress, while spring planting avoids winter kill in colder areas.

How late can I plant lavender in fall?

In zones 9–11, plant lavender by mid-October to allow 6–8 weeks of root growth before winter. Late planting reduces winter hardiness and establishment success.

Can lavender survive winter if planted in spring?

Yes, if planted early enough (after last frost) and given 8–10 weeks to establish. Mulching with gravel or stone helps protect roots from freeze-thaw cycles in colder zones.

What happens if I plant lavender too early in spring?

Planting too early, when soil is cold and wet, leads to poor germination and root rot. Wait until soil temperature reaches at least 60°F (15.5°C) and all frost risk has passed for best results.