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.

In Biddeford you can determine when to plant tropical water plants by checking out the USDA zone info.

Planting Calendar for Tropical Water Plants

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

Tropical Water Plants do not do well in cold weather which tells us that it's important to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant tropical water plants in Biddeford 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. Any later than that and your tropical water plants may not have a chance to really do well. You can get started a couple of weeks earlier by starting your tropical water plants indoors.

Last Frost Date

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

It's important to remember that USDA zone info for Biddeford is not always accurate and the actual date of last frost changes from year to year. Half of the time in Biddeford you get surprised by a frost after April 15 so be sure to be ready to protect your tropical water plants if you have a late frost.

USDA Zone Info for Biddeford

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Biddeford

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