Yellow Bush
Rose Seeds

Roses are a popular fixture in gardens. They look great along fence lines, next to houses and anywhere you need some extra color.

California Wonder
Pepper Seeds
$2.50 $1.75

Not just any bell pepper, the best of class.

Lettuce Seeds
$2.25 $1.75

A popular bibb type lettuce that has sweet, high yielding leaves.

Sweet Million
Tomato Seeds

Delicious flavor with outstanding yields that keep coming.

Scarlet Nantes
Carrot Seeds
$2.50 $1.75

Popular as a sweet baby, slicer, or fresh market variety.

All The Year Round
Lettuce Seeds

Med-size med-green head, solid even in hot weather and slow to bolt.


Colorado: Vegetable Planting Calendar

Montana Zone Hardiness Map

Planting vegetable seeds or transplants at the correct time is important for getting the most out of your garden. Knowing your first and last frost dates will help you start your vegetable seeds at the right time.
Colorado is in USDA plant hardiness zones 3-7.
Colorado Last & First Frost Dates
City Last Frost Date First Frost Date
Aspen 6/30 8/19
Boulder 5/17 9/20
Denver 5/20 9/20
Ft. Collins 5/18 9/17
Holly 5/13 9/22
Lamar 5/11 9/28
Montrose 5/25 9/21
Norwood 6/26 8/23
Silverton 7/25 8/3
Walden 6/11 8/6

*Based on statistics there is a 10% chance that frost will occur before or after these dates. Watch your local weather for more accurate dates.

Colorado on average has approximately 120 days between the last and first frost. Follow the planting schedules below for when to plant tomatoes, peppers and other vegetables.


Zone 3 Planting Schedule
Zone 3 Colorado Planting Schedule
Zone 4 Planting Schedule
Zone 4 Colorado Planting Schedule
Zone 5 Planting Schedule
Zone 5 Colorado Planting Schedule
Zone 6 Planting Schedule
 Zone 6 Colorado Garden Schedule
Zone 7 Planting Schedule

Zone 7 Colorado Garden Schedule