One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of getting a good idea when you can plant impatiens is to check out the USDA zone info for Seguin.

Planting Calendar for Impatiens

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

It's a bad idea to plant impatiens until after all chance of frost has passed because they require warm weather.

The earliest that you can plant impatiens in Seguin 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 impatiens and expect a good harvest is probably August. If you wait any later than that and your impatiens may not have a chance to really do well. You can get started a few weeks earlier by starting your impatiens indoors.

Last Frost Date

On average the last frost is on March 15 in Seguin. In the coldest months of winter you should expect an average low temperature of 15°F.

Keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Seguin and it changes from year to year. Half of the time in Seguin you get surprised by a frost after March 15 so make sure that you are prepared to protect your impatiens if you have a late frost.

USDA Zone Info for Seguin

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Seguin

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