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.

A common way of determining when you can plant blue lace flowers is to consult the USDA zone info for Rahway.

Planting Calendar for Blue Lace Flowers

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

Since blue lace flowers are barely cold tolerant you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant blue lace flowers in Rahway 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 blue lace flowers and expect a good harvest is probably August. If you wait any later than that and your blue lace flowers may not have a chance to fully mature. You can get started a few weeks earlier by starting your blue lace flowers indoors.

Last Frost Date

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

Since the USDA zone info for Rahway is an average the actual date of last frost is different every year. Since half of the time in Rahway last frost occurs after April 15 be ready to cover your blue lace flowers in the event of a surprise late frost.

USDA Zone Info for Rahway

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 Rahway

You may be interested in your other planting guides for Rahway.