Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Richland Center you can estimate when you can plant tropical water plants by referring to 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.

Since tropical water plants are not cold tolerant it is necessary to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant tropical water plants in Richland Center 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

On average the last frost is on May 15 in Richland Center. It might get as low as -25°F during the coldest months of winter.

Since the USDA zone info for Richland Center is an average the actual date of last frost is different every year. Half of the time in Richland Center you get a frost after May 15 so make sure that you are prepared to cover your tropical water plants in the event of a late frost.

USDA Zone Info for Richland Center

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 Richland Center

You may be interested in your other planting guides for Richland Center.