• Close-up of mixed green and red leaf lettuce heatwave
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Lettuce Seeds - Heatwave Blend

Heat-tolerant, slow-bolt blend for reliable summer lettuce production

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Lettuce Seeds - Leaf Blend

Lettuce Seeds - Leaf Blend

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About the Variety

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Key Features

Frost Tolerant
Prefers Dappled Shade
Morning Sun Only
Prefers Moist Soil
Hydroponic Friendly
Container Friendly
Fast Growing
Easy to Grow
Microgreens

Plant Details

BOTANICAL NAME

Lactuca sativa

LIFE CYCLE

  • Annual

SEED TYPE

  • Open Pollinated Seed

LIGHT REQUIREMENT

  • Full Sun
  • Partial Shade

DAYS TO MATURITY

  • 45 to 60 days

GROWTH HABIT

  • Compact
  • Upright

COLOR

  • Mixed

Lettuce Heatwave Blend brings together a choice mix of heat-loving varieties that stay productive, flavorful, and slow to bolt even in warm conditions. This vibrant mix includes crisp green and purple-red types, deep to bright green romaines, oak-leafed and frilled looseleafs, plus bronze-purple fern-leafed lettuces for texture and color. Leaves are mild to sweet with low bitterness, and ready to harvest in just 45–60 days.

  • • Diverse textures and colors including crisphead, romaine, and multi-form looseleaf types
  • • Mild to sweet flavor with consistently low bitterness
  • • Fast maturity of 45–60 days for steady cut-and-come-again harvests

Planting Information

PLANTING SEASON

  • Cool Season

SOWING METHOD

  • Direct Sow

PLANTING DEPTH

  • 1/8 inch

WATER NEEDS

  • Average

PLANT SPACING

  • 6 to 8 inches for heads

HARDINESS ZONES

  • N/A - Annual

SEED PREP

  • Requires Light

COVERAGE

Amount Avg Seed Count Recommended Coverage
Packet 1000 Up to 80 Sq. Ft
1 Ounce   Up to 625 Sq. Ft

Planting Guide

View our Lettuce Planting Guide to learn more.

Ready to Grow

We guarantee that our seeds & bulbs will be true to type and ready to thrive. If something doesn't grow as expected, we will make it right. Questions? Call us at 855-440-2929

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    Lettuce Seeds - Heatwave Blend FAQs

    What is the flavor profile of Heatwave Blend Lettuce?

    Heatwave Blend Lettuce has a flavor profile described as crisp, low bitterness, mild to sweet.

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