PLANTS SHIP MID-MAY+ (except fruit trees), SEEDS SHIP ANYTIME, CANADA ONLY. LOCAL PICKUP AVAILABLE (incl. fruit trees, Ottawa) HENDERSON BLACK SEEDED LETTUCE | id:24713 | Lactuca sativa | Ecologically grown | Annual | Open Pollinated | Heirloom Old heirloom of the 1800s of loose-leaf lettuce varieties that is hands down best tasting. Developed by Peter Henderson & Co. of New York in 1879. Bright green and crumpled lettuce that is sweet and tender tasting. Leaf varieties are more cold tolerant. Vitamins+: A, B1, B2, B3, B5, B6, B9+, C, K+, Ca, Fe, K, Mg+, Mn, P Companion plants: Alliums, Radish, Marigold, Broccoli, Beans, Beet, Carrot, Nasturtium, Dill, Corn, Cucurbits, Cilantro, Strawberries. Far from: Cabbage, Brussel Sprouts, Celery, Parsley. Planting tip: Direct sow as soon as the soil can be worked. Can also start indoors 3-4 weeks ahead of planting. Most won’t germinate well above 25°C except a few heat-tolerant varieties.|| Harvesting tip: Harvest anytime but flavor is best in fall after a few cold nights. Storage tip: Can be stored in sand in root cellar at ~1-2°C.
Seed depth:1/4-1/2″ Direct, Plant spacing:6”, Row spacing:24″, Sun Level:2, Watering Level:2, Germination:7-10 days/jrs, 5-20°C Optimally:16-18°C, Maturity:45-60 d/j, Height: 6-12″, Width: 8-12″, Cold tolerance:-7°C, Edible leaf, Edible flower (See Envelope below) Gaia Organics, 399 River Road, Ottawa, Ontario, Canada, K1V 1C9 (near Gatineau, Quebec) 613-219-8463 (see the envelope below)
