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.

A common way of figuring out when to plant tropical water plants is to look at the USDA zone info for Siloam Springs.

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 all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant tropical water plants in Siloam Springs 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. If you wait any later than that and your tropical water plants may not have a chance to fully mature. You can get started a few weeks earlier by starting your tropical water plants indoors.

Last Frost Date

The average date of last frost is April 15 in Siloam Springs. In the coldest months of winter you can expect an average low temperature of 0°F.

Just be sure to remember that USDA zone info for Siloam Springs may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Siloam Springs you get surprised by a frost after April 15 be ready to cover your tropical water plants in the event of a late frost.

USDA Zone Info for Siloam Springs

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Siloam Springs

You may be interested in your other planting guides for Siloam Springs.