One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By reviewing the USDA zone info for Haddon Heights you should be able to figure out when you can plant gypsophila.

Planting Calendar for Gypsophila

Frost tolerance for gypsophila:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant gypsophila a bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant gypsophila in Haddon Heights 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 gypsophila and expect a good harvest is probably September. Any later than that and your gypsophila may not have a chance to grow to maturity. You can get started a little bit earlier by starting your gypsophila indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Haddon Heights. You should expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Haddon Heights is an average the actual date of last frost will vary from year to year. Since half of the time in Haddon Heights it frosts late in the year after April 15 be ready to protect your gypsophila 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.