The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of getting a good idea when it's a good idea to plant helianthemum is to use the USDA zone info for New Hyde Park.

Planting Calendar for Helianthemum

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

Since helianthemum are one of those plants that can tolerate a little bit of cold weather you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant helianthemum in New Hyde Park 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 helianthemum and expect a good harvest is probably September. If you wait any later than that and your helianthemum may not have a chance to grow to maturity. If you are starting your helianthemum indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in New Hyde Park. In the coldest months of winter you should expect an average low temperature of 5°F.

Since the USDA zone info for New Hyde Park may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in New Hyde Park you get a frost after April 15 so make sure that you are prepared to protect your helianthemum in the event of one of those late frosts.

USDA Zone Info for New Hyde Park

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in New Hyde Park

You may be interested in your other planting guides for New Hyde Park.