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.

A way of estimating when to plant sweet peas is to consult the USDA zone info for Waco.

Planting Calendar for Sweet Peas

Frost tolerance for sweet peas:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Sweet Peas do well in mild cold which tells us that you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant sweet peas in Waco 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 sweet peas and expect a good harvest is probably August. If you wait any later than that and your sweet peas may not have a chance to grow to maturity. Starting your sweet peas indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is March 15 in Waco. You can expect an average low temperature of 15°F in the coldest months of winter.

Always keep in mind that USDA zone info for Waco may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Waco there is a last frost after March 15 so make sure that you are prepared to cover your sweet peas in the event of a late frost.

USDA Zone Info for Waco

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 Waco

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