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Black Seeded Simpson Lettuce Seeds

Guarantee To Grow
Cold Tolerant
Drought Tolerant
Heat Tolerant
Suitable for all Regions
Black Seeded Simpson Lettuce
SKU: LC26-250
Country Of Origin: USA USA
Availability: In stock
Your price: $2.75
i h
Heirloom Variety
New Lower Price
Non Treated Seeds
Non-GMO Variety
45 days. Lactuca sativa. Open Pollinated. Black Seeded Simpson Lettuce. This early maturing plant produces excellent yields of leaf lettuce. Very flavorful and of superb quality. This is one of the most popular leaf lettuce varieties on the market. Its frilled crumpled leaves are crisp, tender, and very flavorful. The crisp leaves are perfect for salads and garnishes. Can grow as baby lettuce in 28 days. It grows best in cool weather. It withstands heat, drought, and light frost. Slow to bolt. Cold Tolerant. Heat Tolerant. Drought Tolerant. Excellent choice for home gardens. An heirloom variety dating back to 1850. United States Department of Agriculture, PI 536700. Disease Resistant: DM, LD, TB.

Lot No: 185007

Germination: 93%

Test Date: 06/24

Seeds Per Pound: 400,000

Plant Height: 9 to 15” Tall

Planting Season: Spring/Fall

Sunlight Requirement: Full Sun/Partial Shade

Planting Method: Direct Sow/Indoor Sow

Loose Leaf Lettuce Lactuca sativa

Seed DepthSoil Temp. for GerminationDays to GerminationSunlight RequirementsPlanting Time
1/4 to 1/2"70 F to 85 F 7 to 10 daysPartial Shade/Full Sun Spring/Fall
USDA Hardiness ZoneSeed SpacingRow SpacingSpace After ThinningDays to Harvest
N/A 1"18" 4 - 8"30 - 70 days
Looseleaf Lettuce Seed Planting Information:

Looseleaf lettuce is the faster growing type and can be grown anywhere as long as you have composted soil. Lettuce grows best if planted indoors and transplanted outdoors in early spring. Lettuce does well in composted soil. It does not do well in clay soil. Plant your seeds indoors 3 to 6 weeks before setting outside. Lettuce will better tolerate heat if plants are well thinned and air can circulate around them. Spring planting should occur as soon as soil can be worked, and fall planting done around June or July. Plants grow 2 - 10" tall.

Soil Requirements:

Requires fertile sandy soil in a well drained location in the garden. Apply much and grass clippings, or straw around base of plant.

Water Requirements:

Keep soil consistently moist, but not waterlogged. Water well during dry and hot spells. Water in the morning only, on the side of the plants and not directly on the leaves.

Fertilizer Requirements:

Use RootBlast, Vegetable Alive, and Slow Release Fertilizer when transplanting outdoors. Apply Miracle Gro periodically.

Harvest Tips:

With leaf lettuce, cut the outer leaves so new ones grow.

DM – Downy Mildew

Scientific Name: Peronospora farinosa, Peronospora parasitica, Pseudoperonospora cubensis

Type: Fungus

Downy mildew is a fungal disease that affects the growth of beets, broccoli, cantaloupes & melons, cauliflower, cucumbers, spinach, Swiss chard, and watermelons. Downy Mildew is most serious for cucumbers, which can drop dead in a week and stop producing any fruit to harvest. The disease affects both seedlings and mature plants.The infected leaves are retarded in growth, turn yellow then brown, and turn downward. A white to gray color mold appears on the underside of the leaves. The leaves will wilt and eventually die. The disease can spread rapidly under favorable conditions and infect the entire field. The infected plants should be removed and burned to avoid further infestation. The disease is favorable when temperatures are 58-72 F and usually occur in early spring and autumn in cooler weather when moisture and humidity are very high. Fungicides can help manage the disease. Good air circulation and increasing space between the plants can help control and prevent the disease, so use wide plant spacing to promote drying of the leaves. The best option is to use disease resistant varieties.

LD – Lettuce Drop

Scientific Name: Sclerotinia sclerotiorum and Sclerotinia minor

Type: Fungus

Lettuce Drop is a world-wide fungal disease that affects the growth of lettuce. The stems and leaves come in contact with the infected soil. Symptoms include wilting of the lower leaves and then leaves drop to the soil. The crown will develop a brown, soft, watery decay followed by the development of a snowy-white mycelium that eventually destroys the tissue. The entire plant will wilt and then collapse, making it unharvestable. The infected plants should be removed and burned to avoid further infestation. Increase space between the plants to maximize air flow and drying of the leaves. The disease is favorable when temperatures are cool, conditions are moist, and soil is wet. Plan on using a 3 year crop rotation and avoid planting in the same location, year after year, as the disease can survive in the soil for 2 to 3 years. Deep tilling may be helpful in managing the disease. Drip irrigation below the soil surface. Assure good drainage with beds as high as possible. Fungicides can help manage the disease. The best option is to use disease resistant varieties.

TB - Tip Burn

Type: Physiological Disorder

Tip Burn is caused by inadequate transport of calcium to rapidly growing tissues. It has caused severe loses to growers in the United States and Europe. It affects Brussels sprouts, cabbage, cauliflower, kohlrabi, and lettuce. Uneven rainfall and watering, high temperatures, high humidity, windy conditions, dry soil conditions, and rapid growth are all factors. Tip burn consists of a breakdown of the plant tissue near the center of the head and develops as the crop approaches maturity. The inner leaves of heads of cabbage are affected, often without external symptoms. The inner leaves turn dark brown, then to a black color. Symptoms can extend from a few small brown spots on interior leaf edges, to large areas of the leaf turning brown and eventually decaying. Secondary rot caused by bacteria can follow tip burn and heads of cauliflower can be severely affected. No completely effective controls are known, but excessive soil moisture and insufficient soil moisture have both been suspected as contributing to a calcium deficiency. Managing irrigation can regulate and control plant growth and calcium deficiency. The best option is to use varieties resistant to tip burn.

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