DOT blends that meet the requirements of federal and state highway projects for seed purity, germination rates and proportions of forbs, grasses and alternative forbs. Deer Creek Seed also specializes in custom DOT blends.

DOT 10. For use where average loam, heavy clay, or moist soils predominate.

• 40% Ky. Bluegrass
• 25% Cr. Red Fescue
• 20% Perennial Ryegrass
• 10% White Clover
• 5% Redtop

DOT 20. Use where light, dry, well-drained, sandy, or gravelly soils predominate and for all high-cut and fill slopes generally exceeding 6 to 8 feet (1.8 to 2.4 m), except where using No. 70.

• 40% Turf Type Tall Fescue
• 30% Perennial Ryegrass
• 24% Improved Hard Fescue
• 6% Ky. Bluegrass

DOT 30. Use for medians and on slopes or ditches generally within 15 feet (4.5 m) of the shoulder where a salt-tolerant turf is preferred.

• 30% Cr. Red Fescue
• 25% Improved Hard Fescue
• 15% Perennial Ryegrass
• 10% Empire Birdsfoot Trefoil
• 10% Ky. Bluegrass
• 10% Fults Salt Grass

DOT 40. Use in urban or other areas where a lawn-type turf is preferred.

• 35% Ky. Bluegrass
• 25% Perennial Ryegrass
• 20% Cr. Red Fescue
• 20% Improved Hard Fescue

DOT 50.

• 100% Birdsfoot Trefoil

DOT 60. Use only on areas, the contract designates or the engineer specifies. Use it as a cover seeding for newly graded wet areas or as a nurse crop for specified wetland seed mixtures. The contractor shall not apply it to flooded areas.

• 30% Annual Ryegrass
• 20% Annual Oats*
• 12% Timothy
• 10% Canada Wildrye (PLS)
• 20% Japanese Millet
• 4% Red Clover
• 4% Alsike Clover

DOT 70, 70A. Use seed mixture Nos. 70 and 70A on slopes and upland areas the contract designates or the engineer specifies.

Use seed mixture No. 70 on loamy soils

% PLS/lbs.	Common Name	Botanical Name
2	Canada Anemone	Anemone canadensis
2	New England Aster	Aster novae-angliae
2	Purple Prarie Clover	Dalea (Petalosternum) purpurea
2	Canada Tick Trefoil	Desmodium canadense
2	Wild Geranium	Geranium maculatum
3	Western Sunflower	Helianthus occidentaalis
2	Prarie Blazingstar	Liatris pycnostachya
2	Wild Bergamot	Monarda fistulosa
2	Yellow Coneflower	Ratibida pinnata
2	Showy Goldenrod	Solidago speciosa
2	Spiderwort	Tradescantia ohiensis
2	Golden Alexanders	Zizia aurea
15	Big Bluestem	Andropogon gerardii
15	Sideoats Grama	Bouteloua curtipendula
15	Canada Wildrye	Elymus canadensis
15	Little Bluestem	Schizachyrium (Andropogon) scoparium
15	Indiangrass	Sorgastrum nutans

Use seed mixture No. 70A on sandy soils.

% PLS/lbs.	Common Name	Botanical Name
2	Butterflyweed	Asclepias tuberosa
2	New England Aster	Aster novae-angliae
2	Partridge Pea	Chamaecrista (Cassia) fasciculata
2	Purple Prarie Clover	Dalea (Petalostemum) purpurea
2	Flowering Spurge	Euphorbia corollata
2	Western Sunflower	Helianthus occidentaalis
2	Rough Blazingstar	Liatris aspera
3	Lupine	Lupinus perennis
2	Horse Mint	Monarda punctata
2	Yellow Coneflower	Ratibida pinnata
2	Showy Goldenrod	Solidago speciosa
2	Spiderwort	Tradescantia ohiensis
15	Big Bluestem	Andropogon gerardii
20	Sideoats Grama	Bouteloua curtipendula
15	Canada Wildrye	Elymus canadensis
5	Junegrass	Koeleria macrantha
20	Little Bluestem	Schizachyrium (Andropogon) scoparium

DOT 75. Use where native grasses are desired for erosion control. Seed at .7 lb per 1000 square feet; 30# per acre.

% PLS/lbs.	Common Name	Botanical Name
10	Big Bluestem	Andropogon gerardii
20	Sideoats grama	Bouteloua curtipendula
35	Canada Wildrye	Elymus canadensis
10	Annual Ryegrass	Lolium multiflorum
10	Little Bluestem	Schizachyrium scoparium
10	Indiangrass	Sorghastrum nutans
4	Purple Prairie Clover	Dalea purpureum
1	Blackeyed Susan	Rudbeckia hirta

DOT 80. Use on inslopes where a salt-tolerant seed mix containing native grasses is desired. Seed at .8 lb per 1000 square feet; 35# per acre.

% PLS/lbs.	Common Name	Botanical Name
25	Sideoats Grama	Bouteloua curtipendula
23	Canada Wildrye	Elymus canadensis
20	Slender Wheatgrass	Elymus trachycaulus
10	Annual Ryegrass	Lolium multiflorum
10	Switchgrass	Panicum virgatum
2	Salt Grass	Puccinella distans "Fults"
10	Little Bluestem	Schizachyrium scoparium

Notes:
Use seed mixture No. 10 or No. 20 on all ditches, inslopes, median areas, and low fills, except where using No. 30 or No. 70.

Substitute winter wheat for annual oats in plantings after September 1.