One of the best tools that you have as gardeners to help us figure out 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 earliest that you can plant impatiens in Oldsmar can be figured out by looking at the USDA zone info.

Planting Calendar for Impatiens

Frost tolerance for impatiens:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

It's probably not a good idea to plant impatiens until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant impatiens in Oldsmar 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 impatiens and expect a good harvest is probably September. You probably don't want to wait any later than that or else your impatiens may not have a chance to really do well. You can get started a little bit earlier by starting your impatiens indoors.

Last Frost Date

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

Since the USDA zone info for Oldsmar is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Oldsmar you get surprised by a frost after February 15 be ready to cover your impatiens in the event of a late frost.

USDA Zone Info for Oldsmar

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 Oldsmar

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