One of the best tools that you have as gardeners to help us figure out 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.

The first opportunity to plant salpiglossis in Lake Jackson should be determined by referring to the USDA zone info.

Planting Calendar for Salpiglossis

Frost tolerance for salpiglossis:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Since salpiglossis are not cold tolerant it's important to wait until after the last frost has passed before you can plant them.

The earliest that you can plant salpiglossis in Lake Jackson 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 salpiglossis and expect a good harvest is probably September. If you wait any later than that and your salpiglossis may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your salpiglossis indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Lake Jackson. It might get as low as 20°F during the coldest months of winter.

Since the USDA zone info for Lake Jackson may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Lake Jackson you get surprised by a frost after February 15 so just be sure to be ready to cover your salpiglossis in the event of one of those late frosts.

USDA Zone Info for Lake Jackson

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 Lake Jackson

You may be interested in your other planting guides for Lake Jackson.