The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. 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 Haddon Heights can be reffered to in order to determine when to plant ornamental grasses.

Planting Calendar for Ornamental Grasses

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

You can plant ornamental grasses just a tiny bit earlier in the year because they are barely cold tolerant.

The earliest that you can plant ornamental grasses 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 ornamental grasses and expect a good harvest is probably August. If you wait any later than that and your ornamental grasses may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your ornamental grasses indoors.

Last Frost Date

The average date of last frost is April 15 in Haddon Heights. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for Haddon Heights is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Haddon Heights you get surprised by a frost after April 15 so be sure to be ready to protect your ornamental grasses 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.