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.

The first chance to plant turnips in Astoria can be figured out by checking out the USDA zone info.

Planting Calendar for Turnips

Frost tolerance for turnips:	Not tolerant of frost.
When to plant:	After the last frost.

Since turnips require warm weather it is necessary to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant turnips in Astoria is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant turnips and expect a good harvest is probably August. If you wait any later than that and your turnips may not have a chance to fully mature. If you are starting your turnips indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Astoria. You can expect an average low temperature of 15°F in the coldest months of winter.

It's important to remember that USDA zone info for Astoria is an average and the actual date of last frost changes from year to year. Since half of the time in Astoria it frosts late in the year after March 15 be ready to cover your turnips in the event of one of those late frosts.

USDA Zone Info for Astoria

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 Astoria

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