One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By referring to the USDA zone info for Creswell it's possible to figure out when it's possible 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.

Leeks do ok in quite a bit of cold which tells us that you can plant them quite a bit earlier in the year than plants that are more sensitive to the cold.

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

The last month that you can plant leeks and expect a good harvest is probably September. You probably don't want to wait any later than that or else your leeks may not have a chance to really do well. You can get started a couple of weeks earlier by starting your leeks indoors.

Last Frost Date

The average date of last frost is March 15 in Creswell. In the coldest months of winter you should expect an average low temperature of 15°F.

Since the USDA zone info for Creswell is an average the actual date of last frost changes from year to year. Since half of the time in Creswell last frost occurs after March 15 be ready to protect your leeks in the event of a surprise late frost.

USDA Zone Info for Creswell

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Creswell

You may be interested in your other planting guides for Creswell.