Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By looking at the USDA zone info for Haddon Heights you will be able to figure out when it's the best time to plant stevia.

Planting Calendar for Stevia

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

Since stevia require warm weather you need to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant stevia in Haddon Heights is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant stevia and expect a good harvest is probably August. Any later than that and your stevia may not have a chance to fully mature. Starting your stevia indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Haddon Heights. It might get as low as 0°F during the coldest months of winter.

Remember that USDA zone info for Haddon Heights is an average and the actual date of last frost is different every year. Half of the time in Haddon Heights last frost occurs after April 15 so just be sure to be ready to cover your stevia in the event of a late frost.

USDA Zone Info for Haddon Heights

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Haddon Heights

You may be interested in your other planting guides for Haddon Heights.