When to Plant Bidens in Oldsmar, FL

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

By reviewing the USDA zone info for Oldsmar it's possible to determine when it's a good idea to plant bidens.

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Planting Calendar for Bidens

Frost tolerance for bidens: Not tolerant of frost.
When to plant: After all chance of frost has passed.

Bidens require warm weather which tells us that it is important to wait until it warms up after the last frost before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant bidens
Possibly ok, but a risky time to plant bidens
Probably not a good time to plant bidens

The earliest that you can plant bidens 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 bidens and expect a good harvest is probably September. Any later than that and your bidens may not have a chance to really do well. Starting your bidens indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost 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 may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Oldsmar it frosts late in the year after February 15 so always be ready to cover your bidens if you have one of those late frosts.

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 Low25°F
Highest Expected Low30°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.