Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of determining when it's possible to plant salvia is to check out the USDA zone info for Haddon Heights.

Planting Calendar for Salvia

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

Since salvia do ok in moderate cold you can plant them slightly earlier in the year than more sensitive plants.

The earliest that you can plant salvia in Haddon Heights 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 salvia and expect a good harvest is probably August. If you wait any later than that and your salvia may not have a chance to fully mature. If you are starting your salvia indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Haddon Heights. In the coldest months of winter you can expect an average low temperature of 0°F.

Since the USDA zone info for Haddon Heights may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Haddon Heights you get a frost after April 15 be ready to protect your salvia in the event of a surprise 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.