Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant impatiens in Jourdanton should be figured out by using the USDA zone info.

Planting Calendar for Impatiens

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

Impatiens do not do well in cold weather which tells us that it's necessary to wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant impatiens in Jourdanton is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant impatiens and expect a good harvest is probably September. Any later than that and your impatiens may not have a chance to grow to maturity. You can get started a little bit earlier by starting your impatiens indoors.

Last Frost Date

The average date of last frost is February 15 in Jourdanton. In the coldest months of winter you can expect an average low temperature of 20°F.

Since the USDA zone info for Jourdanton may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Jourdanton you get surprised by a frost after February 15 be ready to cover your impatiens in the event of a surprise late frost.

USDA Zone Info for Jourdanton

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Jourdanton

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