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.

In Owosso you can estimate when it's the best time to plant tropical water plants by looking at the USDA zone info.

Planting Calendar for Tropical Water Plants

Frost tolerance for tropical water plants:	Not tolerant of frost.
When to plant:	After the last frost has passed.

It's probably not a good idea to plant tropical water plants until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant tropical water plants in Owosso is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant tropical water plants and expect a good harvest is probably August. You probably don't want to wait any later than that or else your tropical water plants may not have a chance to really do well. You can get started a little bit earlier by starting your tropical water plants indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Owosso. In the coldest months of winter you can expect an average low temperature of -10°F.

Remember that USDA zone info for Owosso is not always accurate and the actual date of last frost changes from year to year. Half of the time in Owosso it frosts late in the year after April 15 so make sure that you are prepared to cover your tropical water plants if you have one of those late frosts.

USDA Zone Info for Owosso

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Owosso

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