Growing Brussels Sprouts in Zone 8a

Zone 8a has warm winters and an extended growing season — excellent for heat-loving crops like Brussels Sprouts. Last frost: Apr 5. First frost: Oct 28.

Planting Calendar

Indoor

Outdoor

Harvest

Feb 22Oct 28

Season: Apr 5 – Oct 28 (206 days)

Zone8a

Last FrostApr 5

First FrostOct 28

Season Length206 days

Days to Harvest100

SunFull Sun

Frost ToleranceModerate

Spacing24/sqft

When to Plant Brussels Sprouts in Zone 8a

Start Seeds Indoors: Feb 22

Start Brussels Sprouts seeds indoors around Feb 22 (6 weeks before last frost). Optimal germination temperature: 70°F. Germinates in 5–10 days.

Transplant Outdoors: Mar 22

Transplant Brussels Sprouts seedlings outdoors after Mar 22. Wait until soil temperature reaches 50°F. Space plants at 24/sqft. Harden off plants for a week before moving outside.

Harvest: Jun 20

First harvest approximately Jun 20 (~90 days from transplant). Continue harvesting until first frost (Oct 28).

Fall Planting: Jul 8

For a fall harvest, plant Brussels Sprouts around Jul 8 (16 weeks before first frost).

Companion Planting

✅ Thyme✅ Nasturtiums✅ Onions✅ Garlic

❌ Beans❌ Strawberries

Brussels Sprouts in Other Zones

1a 1b 2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b 12a 12b 13a 13b

Frequently Asked Questions

When should I plant Brussels Sprouts in Zone 8a?

Start Brussels Sprouts seeds indoors around Feb 22. Transplant outdoors after Mar 22. Expect first harvest around Jun 20.

What is the last frost date for Zone 8a?

The average last spring frost date for Zone 8a is Apr 5. The first fall frost averages Oct 28, giving a 206-day growing season.

Can I grow Brussels Sprouts in Zone 8a?

Yes. Brussels Sprouts needs 100 days to harvest. Zone 8a has a 206-day growing season, which is sufficient.

What is the best month to plant Brussels Sprouts in Zone 8a?

The best time to start Brussels Sprouts in Zone 8a is Feb. Begin seeds indoors around Feb 22, then transplant outdoors after the last frost date of Apr 5.

What companion plants grow well with Brussels Sprouts?

Good companion plants for Brussels Sprouts include Thyme, Nasturtiums, Onions, Garlic. Avoid planting Brussels Sprouts near Beans, Strawberries.

How long does Brussels Sprouts take to harvest?

Brussels Sprouts takes approximately 100 days from planting to harvest. In Zone 8a, expect your first harvest around Jun 20.

Plan Your Brussels Sprouts Garden

Track Brussels Sprouts from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

Start Free Brussels Sprouts Growing Guide