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Concept

Lettuce

Lactuca sativa 'Concept'

Overview
A premium loose-leaf lettuce that produces an abundance of deeply lobed, oak-shaped leaves with exceptional heat tolerance and slow bolting characteristics. This variety offers continuous harvest potential throughout the growing season, with leaves that maintain their tender texture and mild flavor even in challenging weather. Concept is perfect for gardeners who want a reliable, productive lettuce that keeps giving all season long.
Planting
Direct sow 2-4 weeks before last frost. Can succession plant every 2 weeks through summer in cooler climates.
Growing
Sun: partial. Water: high. Soil pH: 6–7. Space plants 6" apart. Germination: 7-10.
Pests & diseases
Common pests: Aphids, flea beetles, slugs and snails, leaf miners. Common diseases: Downy mildew, lettuce drop, bacterial leaf spot.