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When to Plant Rue in USDA Zone 7b

Zone 7b Zone 7b May

This month in Zone 7b

Here's what deserves your attention in Zone 7b this month. Everything below is tailored to Zone 7b and timed around your local frost dates.

Avg. last frost April 6
Avg. first frost October 29
June prep starts now
  • First harvests: rue
Download your personalised Zone 7b planting plan →

Rue is a bitter, aromatic perennial herb with bluish-green foliage used historically in medicine and as a pest deterrent. Handle with care as its sap can cause skin irritation.

In Zone 7b, the average last spring frost is around March 18 and the first fall frost is around November 8, giving you a growing season of approximately 235 days.

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Zone 7b Long season
235 days
Last Spring Frost March 18
235 growing days
First Fall Frost November 8

Rue Planting Timeline — Zone 7b

Where Is USDA Zone 7b?

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

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

Rue Planting Calendar — Zone 7b

Activity When Date Range
Transplant Outdoors March 25 Mar 25 – Apr 8
Harvest June 3 Jun 3 – Aug 5

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

Month-by-Month Timeline

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

Free Zone 7b Planting Calendar PDF

Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 7b with start dates, transplant windows, and harvest times.

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Growing Conditions

Sun

Full Sun (6-8+ hours)

💧 Water

Low — drought tolerant

Days to Maturity

70–90 days

Soil pH

6 – 7.5

Zone Temperature Range

°F to °F average annual minimum

Growing Season

235 days (Zone average)

Planting Specifications

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

Succession Planting Rue in Zone

3
successive plantings in Zone 's ~235-day season

Sow every 8 weeks for continuous harvest throughout the season.

Growing Tips for Rue in Zone

Zone has a short growing season (~235 days). Start Rue indoors early and use season-extension techniques like row covers and cold frames.

Start seeds indoors or direct sow. Plant in well-drained soil. Wear gloves when handling as sap can cause phytophotodermatitis. Prune in early spring.

Companion Planting

Good Companions

Avoid Planting Near

  • Basil
  • Sage
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Saving Rue 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 Rue in Zone 7b?

In Zone 7b, plan your Rue planting around the average last frost date of March 18. Transplant seedlings around March 25.

Can Rue grow in Zone 7b?

Yes, Rue can grow well in Zone 7b, hardy in USDA zones 4a through 9b. Zone 7b has a growing season of approximately 235 days, which is sufficient for Rue (70-90 days to maturity).

When can I harvest Rue in Zone 7b?

In Zone 7b, expect to harvest Rue from June 3 – August 5. Rue takes 70-90 days from planting to harvest.

What is the last frost date for Zone 7b?

The average last spring frost in Zone 7b is around March 18, and the first fall frost is around November 8. This gives a growing season of approximately 235 days. These are 50% probability dates — actual frost dates vary year to year.

What should I plant next to Rue?

Good companion plants for Rue include Figs, Roses. 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.