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When to Plant Sorrel in USDA Zone 5a

Zone 5a Zone 5a May

Your May gardening checklist

Your garden in Zone 5a is working on a schedule, even when you're not. Here's where you should be this May.

Avg. last frost May 6
Avg. first frost October 6
Looking ahead to June
  • Starting indoors: sorrel
  • First harvests: sorrel
Download your personalised Zone 5a planting plan →

Sorrel is a perennial herb with tangy, lemon-flavored arrow-shaped leaves. It is one of the first greens to emerge in spring and is used in soups and salads.

In Zone 5a, the average last spring frost is around April 25 and the first fall frost is around October 8, giving you a growing season of approximately 166 days.

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Zone 5a Moderate season
166 days
Last Spring Frost April 25
166 growing days
First Fall Frost October 8

Sorrel Planting Timeline — Zone 5a

Where Is USDA Zone 5a?

The map below highlights the states that contain Zone 5a. Click any state to see the Sorrel planting schedule for that location.

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

Sorrel Planting Calendar — Zone 5a

Activity When Date Range
Start Indoors March 21 Mar 21 – Apr 4
Transplant Outdoors April 18 Apr 18 – May 2
Direct Sow April 11 Apr 11 – May 2
Harvest May 30 May 30 – Aug 1
Fall Sowing July 30 Jul 30 – Aug 13

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

Month-by-Month Timeline

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

Free Zone 5a Planting Calendar PDF

Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 5a 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

40–60 days

Soil pH

5.5 – 7

Zone Temperature Range

°F to °F average annual minimum

Growing Season

166 days (Zone average)

Planting Specifications

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

Succession Planting Sorrel in Zone

4
successive plantings in Zone 's ~166-day season

Sow every 4.6 weeks for continuous harvest throughout the season.

Growing Tips for Sorrel in Zone

Zone has a short growing season (~166 days). Start Sorrel indoors early and use season-extension techniques like row covers and cold frames.

Direct sow in early spring or fall. Remove flower stalks promptly to encourage leaf production. Divide clumps every 3-4 years. Young leaves have the best flavor.

Companion Planting

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Saving Sorrel Seeds

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

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Start seeds indoors with reusable cell trays and humidity domes.

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Frequently Asked Questions

When should I plant Sorrel in Zone 5a?

In Zone 5a, plan your Sorrel planting around the average last frost date of April 25. Start seeds indoors around March 21. Direct sow outdoors around April 11. Transplant seedlings around April 18.

Can Sorrel grow in Zone 5a?

Yes, Sorrel can grow well in Zone 5a, hardy in USDA zones 3a through 9b. Zone 5a has a growing season of approximately 166 days, which is sufficient for Sorrel (40-60 days to maturity).

When can I harvest Sorrel in Zone 5a?

In Zone 5a, expect to harvest Sorrel from May 30 – August 1. Sorrel takes 40-60 days from planting to harvest.

What is the last frost date for Zone 5a?

The average last spring frost in Zone 5a is around April 25, and the first fall frost is around October 8. This gives a growing season of approximately 166 days. These are 50% probability dates — actual frost dates vary year to year.

What should I plant next to Sorrel?

Good companion plants for Sorrel include Strawberries, Lettuce, Spinach. These companions can help with pest control, pollination, and nutrient sharing.

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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.