The Gulf Coast winter crop
While the rest of the country shuts down for winter, collards hit their stride. Plant in fall, harvest right through Texas winter. A frost doesn't kill them — it converts starches to sugars, so the leaves get noticeably sweeter after the first cold nights.
Harvest the right way
Don't cut the whole plant. Pick the lower, outer leaves and leave the growing crown — the plant keeps making new leaves from the center for months. One row of collards planted in October can feed a family deep into spring this way.
🔎 How to identify it
- Large, flat, blue-green paddle-shaped leaves on a thick central stalk
- Smooth waxy leaf surface (no curl, unlike kale)
- Grows in a loose rosette, leafing upward as it ages
⚠ Lookalikes & safety
All the same species — none dangerous, all edible. Collards are the flat, smooth, heat-and-cold-tough one.
Edibility
How to grow & propagate collard greens
Everything I've worked out about starting this one, keeping it alive through a Texas year, and turning one plant into many — free.
How to propagate collard greens
The cabbage family is a cool-season seed crop. Start the heading types (cabbage, broccoli, cauliflower) in trays 5–6 weeks before you want them in the ground; sow the fast roots and greens (radish, turnip, mustard, arugula) straight into the bed. They all cross with each other readily, so if you're saving seed, only let one variety of a given species flower at a time.
Growing collard greens in Texas
Give it full sun to part shade and rich, well-drained soil. Match the spot to the plant and most of the battle is already won.
This is a cool-season crop. On the Texas Gulf Coast that means your real windows are fall and late winter, not summer — sow as the heat breaks in September–October and again in late winter, and you'll harvest through our mild winters while the rest of the country is frozen out.
Keep moisture even, especially while it's young — deep, less-frequent soaks build better roots than a daily sprinkle.
Harvesting
Figure on roughly 50–75; pick leaves anytime before you're harvesting. Harvest at peak and keep harvesting — most vegetables produce harder the more you pick, and one left to over-mature tells the plant its job is done. The part you're after: leaves (and tender stems).
Making more for free
Every seed we sell is open-pollinated, which means you can save your own from the best plants and it'll grow true next year. Let a few of your strongest plants finish and go to seed, dry it fully, and store it cool and dark. That's the whole point of heirlooms — buy once, grow forever.
Part of the free Texas Roots plant database, compiled by Jordan Polasek from his greenhouse in El Campo, Texas. Free to read and share. If it helped, the best thanks is to grow something.