One of the easiest vegetables to grow hydroponically indoors is — LETTUCE !
TYPES OF LETTUCE - Days to Harvest (sweet baby leaf)
The baby leaf stage is more nutrient dense
Little Gem - Mature 50 days
Rouge d’Hiver - Mature 50-60 days
Parris Island - Mature 55-75 days
Winter Density - Mature 55-65 days
Buttercrunch - Mature 55 days
Red Leaf Lettuce - Mature 50 days
Black Seeded Simpson - Mature 45 days
Merlot - Mature 55 days
Oak Leaf - 45-60 days