One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Pinellas Park should be read to determine when it's possible to plant tree onions.

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 very little cold which means that you can plant them slightly earlier in the year than more sensitive plants.

The earliest that you can plant tree onions in Pinellas Park 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. You probably don't want to wait any later than that or else your tree onions may not have a chance to fully mature. Starting your tree onions indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost has passed is on January 31 in Pinellas Park. In the coldest months of winter you can expect an average low temperature of 30°F.

Since the USDA zone info for Pinellas Park is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Pinellas Park there is a last frost after January 31 so make sure that you are prepared to protect your tree onions if you have a surprise late frost.

USDA Zone Info for Pinellas Park

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Pinellas Park

You may be interested in your other planting guides for Pinellas Park.