Thai Oakleaf Looseleaf Lettuce
Best heat-tolerant choice for warm-weather gardeners and hydroponic enthusiasts.
Discover the unique Thai Oakleaf Looseleaf Lettuce, a heat-tolerant variety perfect for warm-season growing. Introduced in 1988, this lettuce is a favorite among hydroponic growers for its larger, tender, upright leaves and distinctive almond-like flavor. It offers moderate resistance to bolting, ensuring reliable harvests. With approximately 400-600 seeds per packet, you can sow up to 30 feet directly or 175 feet as transplants, reaching maturity in just 39 days. Elevate your salads with this gourmet addition to your garden.
$3.95
Owner Satisfaction
4.7
/ 5
Category Rank
270
/ 6090
#270 in Seeds & Seed Tape
Price vs Category Average
-63%
Below average
Days to Maturity
39
/ days
Who it's for
- Gardeners in hot climates wanting a longer harvest season
- Home cooks seeking a steady supply of fresh salad greens
- Salad enthusiasts looking for crisp texture and visual appeal
Who should skip it
- Busy households needing greens that store for several days
- Casual growers wanting low-maintenance, pest-resistant crops
- Gardeners in cool, short-season climates
Performance breakdown
Heat Tolerance
Engineered specifically to thrive when other lettuces succumb to summer heat.
Growth Speed
Rapid thirty-nine day maturity cycle ensures a quick garden-to-table turnaround.
Flavor Profile
Unique almond-like notes offer a sophisticated departure from standard garden greens.
Bolting Resistance
Reliable performance keeps leaves tender even as temperatures begin to climb.
Hydroponic Suitability
Upright leaf structure makes this a top-tier choice for indoor systems.
Yield Efficiency
High seed count provides exceptional coverage for both direct and transplant sowing.
Key Specs
Days to Maturity
39 days
Quantity
Approximately 0.5 g (~400-600 seeds)
Sowing
Sows 30 feet direct seeded
Sowing
Sows 175 feet as transplants
Botanical Name
Lactuca sativa
Seed Form
Loose Seeds
Variety Type
Open-Pollinated
Plant Type
Vegetable
Features
- Developed for hot weather conditions
- Larger, tender, upright leaves
- Distinctive almond-like flavor
- Moderate bolting resistance
- Excellent for warm-season growing
- Popular in hydroponic systems
What customers say
Gardeners overwhelmingly favor Thai Oakleaf Lettuce for its superior quality and reliability. Reviewers consistently report exceptional germination success, building immediate confidence in the seeds. The flavor is a major draw, described as robust, nutty, and complex compared to standard varieties. Texture is noted as tender yet crisp, holding up well in salads. A key benefit is its impressive resilience; this lettuce resists bolting longer than many types, extending the harvest well into warmer weather. Its aesthetic appeal, featuring deeply lobed, bronze-tipped leaves, is also frequently praised. This high performing, flavorful lettuce delivers excellent results, ensuring high repeat purchase intent.
Know before you buy
Thai Oakleaf is specifically bred for heat tolerance and moderate bolting resistance. While most lettuces turn bitter or bolt quickly in the heat, this variety maintains its quality and flavor during warmer months.
Yes, this variety is highly popular among hydroponic growers. Its upright growth habit and tender leaf structure make it well-suited for controlled environment systems.
You can expect to reach maturity in approximately 39 days. This quick turnaround makes it an excellent choice for succession planting throughout the summer.
Thai Oakleaf is known for a distinctive, subtle almond-like flavor. Its tender texture and unique taste profile make it a gourmet addition to fresh salads.
Each packet contains approximately 400-600 seeds. This quantity is sufficient to sow 30 feet if direct seeding or up to 175 feet if you are starting them as transplants.
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