Botanical Name: Brassica oleracea var. viridis
Days to Maturity: 50–80 days
Hardiness: Frost-tolerant biennial, grown as annual. Can tolerate freezes (down to 20°F) and summer heat better than other greens.
Plant Dimensions: 24″–36″ tall, 18″ wide
Variety Information: Large, cabbage-like, blue-green, slightly crumpled leaves. Collards are a non-head-forming cabbage. ‘Georgia Southern’ is also known as ‘True Southern’, ‘Southern’, ‘True Georgia’, ‘Creole’, and ‘Georgia Green’.
Attributes: Good for Containers, Heat Tolerant
When to Sow Outside: 2 to 4 weeks before your average last frost date, when soil temperature is at least 55°, ideally 75°-85°F, or 14 to 16 weeks before your average first fall frost date. In mild climates, sow in fall for cool-season harvest.
When to Start Inside: 4 to 6 weeks before your average last frost date.
Days to Emerge: 10 – 15 days
Seed Depth: ½”
Seed Spacing: A group of 3 seeds every 18″ – 24″
Row Spacing: 24″
Thinning: When 3″ tall, thin to 1 every 18″ – 24″
Harvesting: Lower, outer leaves can be harvested as needed, and new leaves will continue to grow. The entire plant can be harvested by cutting at ground level, although, it will not regrow.