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Glossary

Frost Seeding

Frost seeding is sowing seed when the ground is frozen.  It can be done early in the season after a hard frost or any time that the ground is frozen. Timing is important in order to allow for proper stratification to occur. The general cut off date is mid January.

Dormant Seeding

Planting in the fall after soil temperatures have dropped below 50 degrees Fahrenheit is known as dormant seeding. The seed remains dormant over the winter and goes through a cold moist stratification. When soil and air temperatures rise and day lengths increase in the spring, the seeds will germinate.

Pure Live Seed

Pure Live Seed is a measure of seed viability stated as a percentage. It is the product of total germination times purity. (Example: 96% Germination X 93% Purity = 89% PLS) All our native grasses and seed mixes are sold PLS.   

Native Species

1) A species that evolved in an area and was present prior to human settlement. 

2) A species that was present in an area prior to European settlement.

3) A species that is part of the original flora of a region.

4) A species generally recognized as one that was present without the intentional or unintentional introduction by man.

There are numerous reference books and studies that have utilized historical and scientifically accepted methods for making this determination.

Naturalized Species

Any species that was introduced intentionally or unintentionally by man that has successfully established itself in the current ecosystem and is able to reproduce without intervention.

Detention Basin

A detention basin is a stormwater BMP (best management practice) installed on, or adjacent to, tributaries of rivers, streams, lakes or bays that is designed to protect against flooding and downstream erosion by storing water for a limited period of a time. There is generally an outlet structure that controls the rate of flow exiting the basin. These basins are also called "dry ponds", "holding ponds" or "dry detention basins" if no permanent pool of water exists.

Retention Basin

A retention basin, is a  stormwater BMP (best management practice) that is used to manage stormwater runoff, to prevent flooding and downstream erosion, and improve water quality in an adjacent river, stream, lake  or bay. Sometimes called a wet pond or wet detention basin, it is an artificial lake with vegetation around the perimeter, and includes a permanent pool of water in its design.

For further explanation on any of the above terms or to add to our list please contact us at:

Phone 866-569-3380 Fax 330-569-7090

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