1. A change in the chemistry of a gene that is perpetuated in subsequent divisions of the cell in which it occurs; a change in the sequence of base pairs in the chromosomal molecule. 2. De Vries, term for the sudden production of a species, as distinguished from variation. [L. muto, pp.
Sugar or snow peas are grown for their flat, green pods. Peas are a cool-season crop that must mature before the weather gets warm. The ideal growing temperature for peas is 55Â°F to 70Â°F. Sow peas in the garden 6 weeks before the average last frost date in spring or as soon as the soil can be worked.How to plant and spacing.lanting time. Peas are a cool-season crop that must mature before the weather gets warm. The ideal growing temperature for peas is 55Â°F to 70Â°F. Sow peas in the garden 6 weeks before the average last frost date in spring or as soon as the soil can be worked.
Peas are a cool-season crop, so indoor planting and germination should take place several weeks before the last frost in your area. This will ensure plenty of time for outdoor planting, growth and harvest before temperatures warm to the point where pea plants fail to grow and produce.ill 3-inch (7.62 cm) pots with potting soil. 9. Plant 1 germinated seed from the folded paper towel into each pot. 1  Note: Set the germinated seeds about 1/2 the planting depth recommended on the seed packet and cover them lightly with potting soil.