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When to Plant Arugula in USDA Zone 8b

Arugula is a fast-growing cool-season green with a peppery, nutty flavor. It is excellent in salads and can be harvested as baby greens or mature leaves.

In Zone 8b, the average last spring frost is around February 25 and the first fall frost is around November 28, giving you a growing season of approximately 276 days.

Zone 8b Year-round
276 days
Last Spring Frost February 25
276 growing days
First Fall Frost November 28

Arugula Planting Timeline — Zone 8b

Where Is USDA Zone 8b?

The map below highlights the states that contain Zone 8b. Click any state to see the Arugula planting schedule for that location.

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

Arugula Planting Calendar — Zone 8b

Activity When Date Range
Start Indoors January 21 Jan 21 – Feb 4
Transplant Outdoors February 25 Feb 25 – Mar 11
Direct Sow February 11 Feb 11 – Mar 4
Harvest April 1 Apr 1 – Jun 3
Fall Sowing September 19 Sep 19 – Oct 3

Plant 0.5" deep · 6" apart · Rows 12" apart

Month-by-Month Timeline

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

Free Zone 8b Planting Calendar PDF

Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 8b 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

30–50 days

Soil pH

6 – 7

Zone Temperature Range

15°F to 20°F average annual minimum

Growing Season

276 days (Zone 8b average)

Planting Specifications

Planting Depth0.5 inches
Plant Spacing6 inches apart
Row Spacing12 inches between rows

Succession Planting Arugula in Zone 8b

11
successive plantings in Zone 8b's ~276-day season

Sow every 3.4 weeks for continuous harvest throughout the season.

Growing Tips for Arugula in Zone 8b

Sow seeds directly every 2-3 weeks for continuous harvest. Provide afternoon shade in warm weather to prevent bolting. Harvest outer leaves first to extend production.

Companion Planting

Good Companions

Avoid Planting Near

  • Strawberries

Level Up Your Garden

Saving Arugula Seeds

Recommended for Your Garden

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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 Arugula in Zone 8b?

In Zone 8b, plan your Arugula planting around the average last frost date of February 25. Start seeds indoors around January 21. Direct sow outdoors around February 11. Transplant seedlings around February 25.

Can Arugula grow in Zone 8b?

Yes, Arugula can grow well in Zone 8b, hardy in USDA zones 3a through 11b. Zone 8b has a growing season of approximately 276 days, which is sufficient for Arugula (30-50 days to maturity).

When can I harvest Arugula in Zone 8b?

In Zone 8b, expect to harvest Arugula from April 1 – June 3. Arugula takes 30-50 days from planting to harvest.

What is the last frost date for Zone 8b?

The average last spring frost in Zone 8b is around February 25, and the first fall frost is around November 28. This gives a growing season of approximately 276 days. These are 50% probability dates — actual frost dates vary year to year.

What should I plant next to Arugula?

Good companion plants for Arugula include Lettuce, Spinach, Carrots. 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 8b, 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.