Growing Brussels Sprouts in Zone 13a

Zone 13a has a year-round growing season. Brussels Sprouts can be planted almost any time with proper planning. Last frost: Jan 1. First frost: Dec 31.

Planting Calendar

Indoor

Outdoor

Harvest

Nov 20Dec 31

Season: Jan 1 – Dec 31 (364 days)

Zone13a

Last FrostJan 1

First FrostDec 31

Season Length364 days

Days to Harvest100

SunFull Sun

Frost ToleranceModerate

Spacing24/sqft

When to Plant Brussels Sprouts in Zone 13a

Start Seeds Indoors: Nov 20

Start Brussels Sprouts seeds indoors around Nov 20 (6 weeks before last frost). Optimal germination temperature: 70°F. Germinates in 5–10 days.

Transplant Outdoors: Dec 18

Transplant Brussels Sprouts seedlings outdoors after Dec 18. Wait until soil temperature reaches 50°F. Space plants at 24/sqft. Harden off plants for a week before moving outside.

Harvest: Mar 18

First harvest approximately Mar 18 (~90 days from transplant). Continue harvesting until first frost (Dec 31).

Fall Planting: Sep 10

For a fall harvest, plant Brussels Sprouts around Sep 10 (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 13a?

Start Brussels Sprouts seeds indoors around Nov 20. Transplant outdoors after Dec 18. Expect first harvest around Mar 18.

What is the last frost date for Zone 13a?

The average last spring frost date for Zone 13a is Jan 1. The first fall frost averages Dec 31, giving a 364-day growing season.

Can I grow Brussels Sprouts in Zone 13a?

Yes. Brussels Sprouts needs 100 days to harvest. Zone 13a has a 364-day growing season, which is sufficient.

What is the best month to plant Brussels Sprouts in Zone 13a?

The best time to start Brussels Sprouts in Zone 13a is Nov. Begin seeds indoors around Nov 20, then transplant outdoors after the last frost date of Jan 1.

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 13a, expect your first harvest around Mar 18.

Plan Your Brussels Sprouts Garden

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

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