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NPN Protocol Details Image

Monardella (villosa)

Lee Riley
Horticulturist
USDA FS - Dorena Genetic Resource Center
34963 Shoreview Road
Cottage Grove, Oregon 97424
541-915-7324
541-767-5709 (fax)
leriley@fs.fed.us
Family Scientific Name: Lamiaceae
Family Common Name: Mint
Scientific Name: Monardella villosa
Common Synonym: Monardella antonina
Common Name: coyote mint
Species Code: MOVI2
Ecotype: Rogue River-Siskiyou National Forest, Oregon
General Distribution: Monardella villosa grows in chaparral, coastal sage scrub, and various forest/woodland habitats in southern Oregon and throughout California.
Propagation Goal: Plants
Propagation Method: Seed
ProductType: Container (plug)
Stock Type: 262 ml (16 in3) container
Time To Grow: 14 weeks
Target Specifications: Stock Type: Container seedling Root System: Firm plug in container.
Pre-Planting Treatments: Due to small seed size, the easiest method is to sow seed into trays filled with stabilized medium plugs (Q-plugs). Trays are sealed inside plastic bags and placed into refrigeration at 1 to 3 °C for 14 days. Trays are checked weekly and kept moist throughout the stratification period. If mold is evident, trays should be treated with 1% hydrogen peroxide.
Growing Area Preparation/
Annual Practices for Perennial Crops:		 Greenhouse growing facility.
Q-plugs are lightly covered with nursery grit. Seedlings are transplanted to target containers approximately 2 weeks following removal from stratification.
Growing medium used is 40:20:20:20 peat:composted fir bark:perlite:pumice with Nutricote controlled release fertilizer (18N:6P2O5:8K2O with minors; 180-d release rate at 21C) at the rate of 1.5 gram Nutricote per 262 ml container.
Establishment Phase: Germination is uniform and quite rapid. It is usually complete in 10 days. Following germination (while still in Q-plugs), plants are fertilized with soluble 12-2-14-6Ca-3Mg at 75 ppm for 1 week.
Length of Establishment Phase: 2 weeks
Active Growth Phase: Seedlings grow rapidly throughout the active growth phase. During the growing season, fertilization depends on weather. Soluble 20-9-20 NPK, 20-18-18 NPK, or 17-5-24 NPK at a rate of 100 ppm is applied weekly throughout the growing season.
Length of Active Growth Phase: 12 weeks
Hardening Phase: No dry-down is done to induce dormancy. Seedlings are moved to an outdoor growing area in late September.
Length of Hardening Phase: 2 weeks
Harvesting, Storage and Shipping: Harvest Date: Late October
Storage Conditions: Seedlings are usually outplanted in fall. No storage except in outdoor growing area. Plants are well irrigated prior to shipping and shipped in containers.
Other Comments: M. villosa is a beneficial pollinator forb/herb for bees and butterflies.
References: Dorena Genetic Resource Center Propagation Records, unpublished.

California Native Plant Society. nd. Coyote mint Monardella villosa. URL: https://calscape.org/Monardella-villosa-()
(accessed 8 Oct 2018).

Citation:

Riley, Lee E.. 2018. Propagation protocol for production of Container (plug) Monardella villosa Plants 262 ml (16 in3) container; USDA FS - Dorena Genetic Resource Center Cottage Grove, Oregon. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2024/07/23). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.