WebSeed germinates in 2 to 10 days at or near 70°F (21°C)—but sometimes seed can take up to 2 weeks to germinate if the soil is cold. Keep the soil evenly moist until seeds … WebThe germination of lettuce seed‡ (Lactuca sativa) is inhibited at certain temperatures, above the optimum. These temperatures may not prevent growth, however, of seeds which have already started to germinate. This inhibition seems to be largely a varietal characteristic, for the temperature at which
High temperature germinating lettuce seeds - Eureka wisdom …
WebDifferent seeds germinate at different temperatures. I use heat mats to help sprout my eggplants and tomatoes, but lettuce seed prefers to grow in cooler soil. An online chart that lists ideal soil temperatures is mighty … WebSmall seeds generally germinate better in light than in darkness, while large seeds do not exhibit a difference in germination between these two conditions. How does the wavelength of light affect seed germination? Generally, it is said that light in the red wavelength typically promotes germination while blue light inhibits it. hanging picture frame set
How to Start Seeds Indoors: The Complete Guide - The Spruce
WebHow long do lettuce seeds take to germinate? 2 to 4 weeks before your last spring frost date is when to plant lettuce. In 7 to 10 days after planting, some plants will emerge. Sow … WebApr 5, 2024 · Germination retarders are closely related to seed dormancy, and exogenous retarders can be used to prolong the “dormancy” time of non-dormant seeds or perishable seeds. It has important application prospects as a preservative for seed preservation after harvest or long-term storage of germplasm resources. WebThe expected germination time for 'Lettuce- Little Gem' is approximately 7-14 days when sown at a soil temperature of 8-23°C. Ideal soil temperature for germination: ... The seed will germinate, and then develop a root system, stems, and leaves. Once mature, the plant will flower, produce seeds, and then die off. ... hanging picture frames 8x10