One of the first steps you take when you are getting a good idea your gardening schedule is find your 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.

You should be able to determine when it's a good idea to plant sweet peas by looking at the USDA zone info for Elburn.

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 can survive in mild cold which means that you can plant them slightly earlier in the year than more sensitive plants.

The earliest that you can plant sweet peas in Elburn 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 couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Elburn. It might get as low as -15°F during the coldest months of winter.

Always keep in mind that USDA zone info for Elburn 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 Elburn last frost occurs after April 15 so make sure that you are ready to cover your sweet peas in the event of one of those late frosts.

USDA Zone Info for Elburn

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°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 -10°F.

Plants to Grow in Elburn

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