Lettuce; Green Salad Bowl

An old time favorite, the Heirloom Green Salad Bowl Leaf Lettuce is slow to bolt and tolerant to heat. This “All-America Selection” winner from 1952 is delicious and does not get bitter as it matures. It is also a steady grower even in warmer climates.


Plant Info:

  • Botanical Name: Lactuca sativa “Salad Bowl Green”
  • Other Common Name(s): N/A
  • Color: Green
  • Type: Leaf
  • Days to Maturity / Harvest: 45-50 Days
  • Sun / Shade: Sun
  • Hardiness Zones: All


Most lettuces are hardy, cool-season crops that can be planted as early as the soil can be worked. Many do best when the air temperature is between 60-70°F, and will germinate well at soil temperatures as low as 40°F. Choose heat tolerant varieties for summer plantings. Lettuce can be sown either directly into the garden or started indoors and transplanted. With succession plantings every 3 weeks, you can enjoy fresh salads all season. A cold frame and cold-hardy varieties can stretch the spring and fall growing season into the winter months. Optimum soil temperature range for germination: 40-75°F. Days to emergence: 2-15.


Sow seed 1/8 inch deep, 1 inch apart, in rows 16-18 inches apart. Cover seeds lightly and firm gently. As soon as 2-3 true leaves have formed, thin loose-leaf types 10-14 inches apart and icebergs, bibbs, and romaines 12-16 inches apart. For Crisphead plant 12-16 inches apart in rows 16-18 inches apart.

For transplants sow 3-4 seeds per inch in sterile seedling mix 3 weeks prior to planting out. Transplant individual plants into pots or cell trays 2 weeks after sowing. Before planting outside, harden off for 2-3 days by reducing water and placing outdoors in a sheltered location. Leafy green vegetables require a moderately fertile soil. One cup of our complete fertilizer per 10 row feet will provide adequate nutrition.


Most lettuce grows quickly, so pests aren’t a problem. Aphids can be washed off with a strong spray of water, and slugs can be controlled with diatomaceous earth, slug baits, or traps.


During the warmer seasons, lettuce remains in prime eating condition for about 3 weeks. While picking individual leaves helps extend the season somewhat, all eventually become tough and bitter as they begin to bolt. We’ve found that rinsing lettuce under warm tap water can help reduce bitterness.

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