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.

It's a good idea to determine when to plant tropical water plants by using the USDA zone info for Minnetonka.

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.

Since tropical water plants require warm weather it is necessary to wait until after the last frost before you can plant them.

The earliest that you can plant tropical water plants in Minnetonka is May. However, you really should wait until June 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 fully mature. You can get started a couple of weeks earlier by starting your tropical water plants indoors.

Last Frost Date

The average date of last frost is May 15 in Minnetonka. In the coldest months of winter you can expect an average low temperature of -25°F.

Keep in mind that USDA zone info for Minnetonka is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Minnetonka you get surprised by a frost after May 15 so just be sure to be ready to protect your tropical water plants if you have one of those late frosts.

USDA Zone Info for Minnetonka

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°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 -20°F.

Plants to Grow in Minnetonka

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