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

The USDA zone info for Simi Valley can be looked at to figure out when it's a good idea to plant turnips.

Planting Calendar for Turnips

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

It's probably not a good idea to plant turnips until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant turnips in Simi Valley 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 turnips and expect a good harvest is probably September. If you wait any later than that and your turnips may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your turnips indoors.

Last Frost Date

The average date of last frost is February 15 in Simi Valley. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Simi Valley may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Simi Valley you get a frost after February 15 so make sure that you are prepared to cover your turnips if you have a late frost.

USDA Zone Info for Simi Valley

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°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 30°F.

Plants to Grow in Simi Valley

You may be interested in your other planting guides for Simi Valley.