Code of Maryland Regulations
Title 15 - MARYLAND DEPARTMENT OF AGRICULTURE
Subtitle 08 - TURF AND SEED
Chapter 15.08.05 - Certified Seed Mixing
Section 15.08.05.09 - Specific Minimum Seed Standards
Current through Register Vol. 51, No. 6, March 22, 2024
A. The following minimum seed standards apply to component seed lots to be used in Maryland Interagency Certified Seed Mixtures:
Maryland Interagency Certified Mixtures, General Specifications
Kind | Min Purity | Min Germ. | Max.* Other Crop Seed | Max.** Weed Seed | Lawn & Turf Noxious Weed***** Seed |
Kentucky bluegrass | 95% | 85% | 25%*** | 0.2% | None |
Fine fescue**** | 98% | 85% | 0.25% | 0.2% | None |
Tall Fescue | 98% | 85% | 0.25% | 0.2% | None |
Ryegrass | 98% | 85% | 0.50% | 0.2% | None |
Bentgrass | 98% | 85% | 0.25% | 0.2% | None |
All other components | 90% | 80% | 0.50% | 0.2% | None |
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* Ryegrass (Lolium spp.) is not permitted, except that up to 50 ryegrass per pound is permitted in tall fescue.
** Is free of crabgrass (Digitaria spp.), foxtail (Setaria spp.), goosegrass (Eleusine indica), nimblewill (Muhlenbergia schreberi), nutsedge (Cyperus spp.), or panicum (Panicum spp.).
*** Off-types of Kentucky bluegrass may not exceed 3 percent for any one component.
**** Include hard, Chewings, and creeping red fescues.
***** See COMAR 15.08.01.05AA and C for list.
NOTE: Bentgrass, meadow fescue, redtop, rough bluegrass, and tall fescue may be permitted only when included as a labeled component of the seed mixture.
B. The Maryland State Highway Administration shall prescribe the minimum seed standards that apply to component seed lots to be used in supervised seed mixtures.
C. The Department, in an emergency, and after it has determined in writing that a serious shortage of seed exists, may allow the applicant to use seed lots that have failed for other than genetic reasons to meet the standards indicated in this regulation as interagency certified mixtures.
D. Except as provided in §B of this regulation, the applicant shall only use components that are certified seed.