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The CSU Extension in Gilpin County helps mountain residents improve their quality of life by offering a website, classes and programs that provide unbiased, research-based information on forestry, wildfire, wildlife, mountain gardening, noxious weeds and many other issues. Through our 4-H programs, we help youth develop life skills through leadership opportunities.

Seedling Trees   arrow

Trees, Shrubs, & Wildflowers Sale – Pre-order trees, shrubs, and native perennial wildflowers. Order now, pick up will be in late May (perfect time to plant in Gilpin!). Order Nov 2, 2020-March 30, 2021. Look back in Nov 2021 for the 2021-2022 sale form.

Seedling Planting Guide

Grass Seed Mix – call or email to make an appointment to purchase seeds.
$15 per pound (covers about 1000 sq. ft.)
Grass Seed Mix List
Generally, the best time to seed is in the late fall, just before the first significant snowfall, or late June/early July.


Native Wildflower Seed Mix – call or email to make an appointment to purchase seeds.
$15 per 1 oz (covers 100 sq.ft.)
Fall is a good time to sow wildflower seed because subsequent winter cold and snow (moisture) will promote seed germination the following spring.

Gilpin CSU Extension
303-582-9106 or

Extension Office is Open Under Strict Guidelines

Visits are by appointment only.