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When to Plant Lemongrass in USDA Zone 8a

Zone 8a Zone 8a May

May in the garden — Zone 8a

We've pulled the most time-sensitive tasks for Zone 8a this May and put them front and centre. Tackle them in order.

Avg. last frost March 28
Avg. first frost November 6
  1. Time to start lemongrass inside

    Label every cell. You will absolutely forget which is which otherwise.

Looking ahead to June
  • First harvests: lemongrass
Get your free Zone 8a 2026 Planting Guide →

Lemongrass is a tropical grass with a strong citrus aroma used extensively in Southeast Asian cuisine. The swollen stem bases are the most flavorful part.

In Zone 8a, the average last spring frost is around March 8 and the first fall frost is around November 18, giving you a growing season of approximately 255 days.

Zone 8a Long season
255 days
Last Spring Frost March 8
255 growing days
First Fall Frost November 18

Lemongrass Planting Timeline — Zone 8a

Where Is USDA Zone 8a?

The map below highlights the states that contain Zone 8a. Click any state to see the Lemongrass planting schedule for that location.

Prints a clean, ink-friendly version without maps or navigation.

Lemongrass Planting Calendar — Zone 8a

Activity When Date Range
Start Indoors January 18 Jan 18 – Feb 1
Transplant Outdoors March 22 Mar 22 – Apr 5
Direct Sow March 15 Mar 15 – Apr 5
Harvest June 7 Jun 7 – Sep 6

Plant 0.5" deep · 8" apart · Rows 12" apart

Month-by-Month Timeline

MonthActivities
January Start Indoors
February Start Indoors
March Transplant Outdoors Direct Sow
April Transplant Outdoors Direct Sow
May
June Harvest
July Harvest
August Harvest
September Harvest
October
November
December

Free Zone 8a Planting Calendar PDF

Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 8a with start dates, transplant windows, and harvest times.

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Growing Conditions

Sun

Full Sun (6-8+ hours)

💧 Water

High — keep soil consistently moist

Days to Maturity

75–120 days

Soil pH

5.5 – 7.5

Zone Temperature Range

°F to °F average annual minimum

Growing Season

255 days (Zone average)

Planting Specifications

Planting Depth0.5 inches
Plant Spacing8 inches apart
Row Spacing12 inches between rows

Succession Planting Lemongrass in Zone

4
successive plantings in Zone 's ~255-day season

Sow every 8.6 weeks for continuous harvest throughout the season.

Growing Tips for Lemongrass in Zone

Zone has a short growing season (~255 days). Start Lemongrass indoors early and use season-extension techniques like row covers and cold frames.

Start from divisions or store-bought stalks rooted in water. Grow in rich, moist soil with full sun. In cold climates, grow in containers and overwinter indoors.

Companion Planting

Good Companions

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Saving Lemongrass Seeds

Recommended for Your Garden

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Fabric Grow Bags $10-25

Breathable fabric pots that promote healthy root growth and prevent overwatering.

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Self-Watering Planters $15-40

Built-in reservoir keeps herbs and greens consistently watered with less effort.

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Seed Starting Trays $8-20

Start seeds indoors with reusable cell trays and humidity domes.

Related Plants

Frequently Asked Questions

When should I plant Lemongrass in Zone 8a?

In Zone 8a, plan your Lemongrass planting around the average last frost date of March 8. Start seeds indoors around January 18. Direct sow outdoors around March 15. Transplant seedlings around March 22.

Can Lemongrass grow in Zone 8a?

Yes, Lemongrass can grow well in Zone 8a, hardy in USDA zones 8a through 11b. Zone 8a has a growing season of approximately 255 days, which is sufficient for Lemongrass (75-120 days to maturity).

When can I harvest Lemongrass in Zone 8a?

In Zone 8a, expect to harvest Lemongrass from June 7 – September 6. Lemongrass takes 75-120 days from planting to harvest.

What is the last frost date for Zone 8a?

The average last spring frost in Zone 8a is around March 8, and the first fall frost is around November 18. This gives a growing season of approximately 255 days. These are 50% probability dates — actual frost dates vary year to year.

What should I plant next to Lemongrass?

Good companion plants for Lemongrass include Tomatoes, Peppers. These companions can help with pest control, pollination, and nutrient sharing.

🌱

Your Free Printable Garden Planner

A 24-page printable planner tailored to your zone. Planting dates, monthly task lists, harvest log, seed inventory, and succession charts — everything you need to plan a full season.

Instant PDF download. No spam, unsubscribe any time.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals, University Cooperative Extension planting guides. Planting dates are estimates based on average frost dates — local conditions may vary. Last updated: May 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.