60 day. Cimmaron is a very striking lettuce. A little deep green with lots of maroon veins and edges, this romaine type lettuce is also very delicious. It has the firm texture of romaine lettuces but is still very tender with a pleasant, mild flavor.
Minimum of 250 seeds per packet.
Planting Depth: 0-1/4 inch
Plant Spacing: 3-6 inches
Row Spacing: 12-18 inches
Recommended: Direct seed in spring 2-4 weeks before last frost.
You can also start indoors and transplant when individual plants are about 3 inches tall.
In fall, plant 6-8 weeks before first frost.
Lettuce does not like heat and will get bitter and bolt (go to flower) if the temperatures are too warm. Cut off the flower stalks to extend the life of your lettuce. You can also bring indoors, if in a planter, and set in a sunny (preferably southern facing) window to extend the life of the plant.
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I've grow cimmaron for two years, planting successively in all but the hottest weather. It's pretty, easy to grow, not very fussy about it's care and is more drought tolerant than some other lettuces.
This romaine is very beautiful and delicious. Ours stayed very crisp, but a green romaine probably tolerates heat a little better. We just harvested the outer leaves time after time. You'll spend a little more time cleaning that way, but you have lettuce all summer long. We have grown it when hitting triple digit temps, and it was pretty resistant to bolting. It feels wilty in the heat, but just wait until harvesting time the next morning. It's perfect again!. It made a wonderful addition to our salad mix. It's my favorite of the red romaines.