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When to Plant Borage in USDA Zone 8a

Borage is a self-seeding annual herb with star-shaped blue flowers that attract pollinators. Its leaves have a cucumber-like flavor and the flowers are edible.

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.

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

Borage 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 Borage planting schedule for that location.

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

Borage 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 26 Apr 26 – 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

Low — drought tolerant

Days to Maturity

50–60 days

Soil pH

6 – 7

Zone Temperature Range

10°F to 15°F average annual minimum

Growing Season

255 days (Zone 8a average)

Planting Specifications

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

Succession Planting Borage in Zone 8a

6
successive plantings in Zone 8a's ~255-day season

Sow every 5.7 weeks for continuous harvest throughout the season.

Growing Tips for Borage in Zone 8a

Direct sow in spring as borage does not transplant well. Allow some plants to go to seed for next year. Young leaves are best; older leaves become bristly.

Companion Planting

Good Companions

Level Up Your Garden

Saving Borage Seeds

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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.

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Frequently Asked Questions

When should I plant Borage in Zone 8a?

In Zone 8a, plan your Borage 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 Borage grow in Zone 8a?

Yes, Borage can grow well in Zone 8a, hardy in USDA zones 3a through 11b. Zone 8a has a growing season of approximately 255 days, which is sufficient for Borage (50-60 days to maturity).

When can I harvest Borage in Zone 8a?

In Zone 8a, expect to harvest Borage from April 26 – June 14. Borage takes 50-60 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 Borage?

Good companion plants for Borage include Tomatoes, Squash Summer, Strawberries. These companions can help with pest control, pollination, and nutrient sharing.

🌱

Plan Your Garden with Confidence

Get our free Garden Planner — organize your planting dates for Zone 8a, track your crops, and plan your garden season from seed to harvest.

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Free download. Plan your entire garden season in minutes.

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: April 2026.