One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Progreso can be reffered to in order to figure out when to plant sweet peas.

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 ok in moderate cold which tells us that you can plant them slightly earlier than other frost tender plants.

The earliest that you can plant sweet peas in Progreso is February. However, you really should wait until March 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 September. Any later than that and your sweet peas may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your sweet peas indoors.

Last Frost Date

On average the last frost has passed is on February 15 in Progreso. In the coldest months of winter you should expect an average low temperature of 25°F.

Keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Progreso and it is different every year. Since half of the time in Progreso there is a last frost after February 15 be ready to protect your sweet peas if you have a late frost.

USDA Zone Info for Progreso

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Progreso

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