Lettuce- Ruby Red Leaf (Heirloom)
Lactuca sativa
Darkest red of all the red-tinted lettuces we have, Ruby's medium sized, compact, crisp, sweet green leaves, are marbled with deep red on the top half of the leaf. It is fairly heat tolerant, slow to bolt, and does not fade or turn bitter in warm weather.
Plant 1/4" deep in rows spaced 18-24 inches apart. Matures in about 53-54 days.
Days to germination | 3-10 days |
Days to maturity | 45-50 days |
Life cycle | annual |
Plant time/Harvest | Plant seeds outdoors any time if night temperatures are 70 or lower. Harvest late fall through mid-spring |
Spacing | 10-18 in. |
Sun | full sun in fall, winter and part shade in spring |
Soil temperature | 35-70 degrees F. |
Optimum soil P.H | 6.1-7.5 |
Height | 12 in. |