Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for Steamboat Springs you will be able to figure out when it's a good idea to plant leeks.

Planting Calendar for Leeks

Frost tolerance for leeks:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Since leeks do well in cold you can plant them quite a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant leeks in Steamboat Springs is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant leeks and expect a good harvest is probably August. If you wait any later than that and your leeks may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your leeks indoors.

Last Frost Date

On average the last frost is on May 15 in Steamboat Springs. It might get as low as -25°F during the coldest months of winter.

It's important to remember that USDA zone info for Steamboat Springs is an average and the actual date of last frost is different every year. Since half of the time in Steamboat Springs last frost occurs after May 15 be ready to protect your leeks if you have one of those late frosts.

USDA Zone Info for Steamboat Springs

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Steamboat Springs

You may be interested in your other planting guides for Steamboat Springs.