The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Kingsburg you can determine when it's the best time to plant tree onions by referring to the USDA zone info.

Planting Calendar for Tree onions

Frost tolerance for tree onions:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Tree onions tend to make it in some cold which means that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant tree onions in Kingsburg 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 tree onions and expect a good harvest is probably September. Any later than that and your tree onions may not have a chance to fully mature. You can get started a little bit earlier by starting your tree onions indoors.

Last Frost Date

On average all chance of frost has passed is on February 15 in Kingsburg. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Kingsburg 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 Kingsburg you get surprised by a frost after February 15 so make sure that you are ready to protect your tree onions in the event of a surprise late frost.

USDA Zone Info for Kingsburg

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 Kingsburg

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