One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant carrots in Issaquah can be estimated by referring to the USDA zone info.

Planting Calendar for Carrots

Frost tolerance for carrots:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Carrots are one of those plants that can tolerate a little bit of cold weather which tells us that you can plant them earlier than other plants that might not handle the cold.

The earliest that you can plant carrots in Issaquah 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 carrots and expect a good harvest is probably September. You probably don't want to wait any later than that or else your carrots may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your carrots indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Issaquah. It might get as low as 15°F during the coldest months of winter.

Always keep in mind that USDA zone info for Issaquah is not always accurate and the actual date of last frost changes from year to year. Half of the time in Issaquah it frosts late in the year after March 15 so make sure that you are ready to cover your carrots in the event of one of those late frosts.

USDA Zone Info for Issaquah

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 Issaquah

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