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When to Plant Parsley in USDA Zone 6b

Zone 6b Zone 6b May

What to do in May

Your garden in Zone 6b is working on a schedule, even when you're not. Here's where you should be this May.

Avg. last frost April 18
Avg. first frost October 21
  1. Get parsley seeds going inside

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

Looking ahead to June
  • First harvests: parsley
Get your Zone 6b-specific planner by email →
Parsley

Parsley is a biennial herb available in flat-leaf (Italian) and curly varieties. It is a nutritional powerhouse rich in vitamins C and K and adds fresh flavor to countless dishes.

In Zone 6b, the average last spring frost is around April 3 and the first fall frost is around October 25, giving you a growing season of approximately 205 days.

Zone 6b Long season
205 days
Last Spring Frost April 3
205 growing days
First Fall Frost October 25

Parsley Planting Timeline — Zone 6b

Where Is USDA Zone 6b?

The map below highlights the states that contain Zone 6b. Click any state to see the Parsley planting schedule for that location.

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

Parsley Planting Calendar — Zone 6b

Activity When Date Range
Start Indoors February 27 Feb 27 – Mar 13
Transplant Outdoors March 27 Mar 27 – Apr 10
Direct Sow March 20 Mar 20 – Apr 10
Harvest May 29 May 29 – Jul 31
Fall Sowing August 16 Aug 16 – Aug 30

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

Month-by-Month Timeline

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

Free Zone 6b Planting Calendar PDF

Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 6b with start dates, transplant windows, and harvest times.

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Growing Conditions

Sun

Partial Shade (3-6 hours)

💧 Water

Moderate — regular watering

Days to Maturity

60–80 days

Soil pH

6 – 7

Zone Temperature Range

°F to °F average annual minimum

Growing Season

205 days (Zone average)

Planting Specifications

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

Succession Planting Parsley in Zone

4
successive plantings in Zone 's ~205-day season

Sow every 6.9 weeks for continuous harvest throughout the season.

Growing Tips for Parsley in Zone

Zone has a short growing season (~205 days). Start Parsley indoors early and use season-extension techniques like row covers and cold frames.

Start seeds indoors 6-8 weeks before last frost. Soak seeds overnight as germination is slow. Harvest outer stems first to keep plants productive. Parsley attracts swallowtail butterflies.

Companion Planting

Good Companions

Avoid Planting Near

  • Mint
  • Lettuce
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Saving Parsley 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 Parsley in Zone 6b?

In Zone 6b, plan your Parsley planting around the average last frost date of April 3. Start seeds indoors around February 27. Direct sow outdoors around March 20. Transplant seedlings around March 27.

Can Parsley grow in Zone 6b?

Yes, Parsley can grow well in Zone 6b, hardy in USDA zones 2a through 10b. Zone 6b has a growing season of approximately 205 days, which is sufficient for Parsley (60-80 days to maturity).

When can I harvest Parsley in Zone 6b?

In Zone 6b, expect to harvest Parsley from May 29 – July 31. Parsley takes 60-80 days from planting to harvest.

What is the last frost date for Zone 6b?

The average last spring frost in Zone 6b is around April 3, and the first fall frost is around October 25. This gives a growing season of approximately 205 days. These are 50% probability dates — actual frost dates vary year to year.

What should I plant next to Parsley?

Good companion plants for Parsley include Tomatoes, Asparagus, Corn, Carrots. 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.

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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.