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When to Plant Dill in USDA Zone 8a

Zone 8a Zone 8a May

This month in 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 dill inside

    These need a head start before your last frost (March 28). Sow into cells now so you're ready to transplant in a few weeks.

  2. Start harvesting dill

    Don't tug. Use scissors or pruners for clean cuts — torn stems invite disease.

To set up a strong June, finish these tasks
  • First harvests: dill
Get the full Zone 8a Garden Planner — free →
Dill

Dill is a feathery annual herb with aromatic leaves and seeds. Its fine foliage and umbrella-shaped flower heads attract beneficial insects to the garden.

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.

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

Dill 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 Dill planting schedule for that location.

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

Dill Planting Calendar — Zone 8a

Activity When Date Range
Start Indoors February 1 Feb 1 – Feb 15
Transplant Outdoors March 1 Mar 1 – Mar 15
Direct Sow February 22 Feb 22 – Mar 15
Harvest April 12 Apr 12 – Jun 14
Fall Sowing September 9 Sep 9 – Sep 23

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

Month-by-Month Timeline

MonthActivities
January
February Start Indoors Direct Sow
March Transplant Outdoors Direct Sow
April Harvest
May Harvest
June Harvest
July
August
September Fall Sowing
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

Moderate — regular watering

Days to Maturity

40–60 days

Soil pH

5.5 – 7

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 Dill in Zone

7
successive plantings in Zone 's ~255-day season

Sow every 4.6 weeks for continuous harvest throughout the season.

Growing Tips for Dill in Zone

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

Direct sow in spring as dill has a taproot and dislikes transplanting. Succession sow for continuous leaf harvest. Allow some plants to flower for seeds and to attract beneficial insects.

Companion Planting

Good Companions

Avoid Planting Near

  • Carrots
  • Tomatoes
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Saving Dill 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 Dill in Zone 8a?

In Zone 8a, plan your Dill planting around the average last frost date of March 8. Start seeds indoors around February 1. Direct sow outdoors around February 22. Transplant seedlings around March 1.

Can Dill grow in Zone 8a?

Yes, Dill can grow well in Zone 8a, hardy in USDA zones 2a through 11b. Zone 8a has a growing season of approximately 255 days, which is sufficient for Dill (40-60 days to maturity).

When can I harvest Dill in Zone 8a?

In Zone 8a, expect to harvest Dill from April 12 – June 14. Dill takes 40-60 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 Dill?

Good companion plants for Dill include Cabbage, Cucumber, Lettuce, Onion. 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.