The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Weiser you can figure out when it's a good idea to plant tropical water plants by using 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 do not do well in cold weather it is important to wait until after the last frost has passed before you can plant them.

The earliest that you can plant tropical water plants in Weiser 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

In Weiser the average date of last frost happens on April 15. You can expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Weiser is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Weiser you get a frost after April 15 be ready to cover your tropical water plants if you have a surprise late frost.

USDA Zone Info for Weiser

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Weiser

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