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When to Plant Shiso in USDA Zone 7a

Zone 7a Zone 7a June

Your June planting checklist for Zone 7a

Your Zone 7a garden is entering a new phase. Here's what's on the schedule for June and why each task matters now.

Avg. last frost April 15
Avg. first frost October 24
  1. Get shiso seeds going inside

    Starting these indoors now means sturdy transplants ready the moment your soil warms up.

  2. It's harvest week for shiso

    This is the payoff month. Bring a basket, bring a friend, and get into the beds.

July will be here before you know it — start on
  • First harvests: shiso
Get the full Zone 7a Garden Planner — free →

Shiso (perilla) is a fragrant Japanese herb with large, ruffled leaves in green or purple varieties. It has a unique flavor combining mint, basil, and anise.

In Zone 7a, the average last spring frost is around March 25 and the first fall frost is around November 1, giving you a growing season of approximately 221 days.

Zone 7a Long season
221 days
Last Spring Frost March 25
221 growing days
First Fall Frost November 1

Shiso Planting Timeline — Zone 7a

Where Is USDA Zone 7a?

The map below highlights the states that contain Zone 7a. Click any state to see the Shiso planting schedule for that location.

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

Shiso Planting Calendar — Zone 7a

Activity When Date Range
Start Indoors February 4 Feb 4 – Feb 18
Transplant Outdoors April 8 Apr 8 – Apr 22
Direct Sow April 1 Apr 1 – Apr 22
Harvest June 3 Jun 3 – Jul 29

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

Month-by-Month Timeline

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

Free Zone 7a Planting Calendar PDF

Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 7a 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

50–70 days

Soil pH

5.5 – 7

Zone Temperature Range

0°F to 5°F average annual minimum

Growing Season

221 days (Zone 7a average)

Planting Specifications

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

Succession Planting Shiso in Zone 7a

5
successive plantings in Zone 7a's ~221-day season

Sow every 5.7 weeks for continuous harvest throughout the season.

Growing Tips for Shiso in Zone 7a

Direct sow after last frost or start indoors. Both green and red varieties are available. Pinch tips to encourage bushiness. Self-sows prolifically; deadhead to control.

Companion Planting

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Saving Shiso Seeds

Recommended for Your Garden

🌱
Seed Starting Trays $8-20

Start seeds indoors with reusable cell trays and humidity domes.

🧪
Soil Test Kit $12-25

Test your soil pH, nitrogen, phosphorus, and potassium levels before planting.

🏷️
Garden Plant Markers $6-12

Keep your garden organized with durable, weather-resistant plant labels.

Related Plants

Frequently Asked Questions

When should I plant Shiso in Zone 7a?

In Zone 7a, plan your Shiso planting around the average last frost date of March 25. Start seeds indoors around February 4. Direct sow outdoors around April 1. Transplant seedlings around April 8.

Can Shiso grow in Zone 7a?

Yes, Shiso can grow well in Zone 7a, hardy in USDA zones 3a through 11b. Zone 7a has a growing season of approximately 221 days, which is sufficient for Shiso (50-70 days to maturity).

When can I harvest Shiso in Zone 7a?

In Zone 7a, expect to harvest Shiso from June 3 – July 29. Shiso takes 50-70 days from planting to harvest.

What is the last frost date for Zone 7a?

The average last spring frost in Zone 7a is around March 25, and the first fall frost is around November 1. This gives a growing season of approximately 221 days. These are 50% probability dates — actual frost dates vary year to year.

What should I plant next to Shiso?

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

🌱

Your Zone 7a Garden Planner — Free

A 22-page printable planner tailored to Zone 7a. 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: June 2026.

Sources & credits

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