One of the best tools that you have as gardeners to help us estimate 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.

It's possible to figure out when it's the best time to plant purple coneflower by looking at the USDA zone info for Bound Brook.

Planting Calendar for Purple Coneflower

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

Since purple coneflower are barely cold tolerant you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant purple coneflower in Bound Brook 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 purple coneflower and expect a good harvest is probably August. Any later than that and your purple coneflower may not have a chance to grow to maturity. You can get started a little bit earlier by starting your purple coneflower indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Bound Brook. You can expect an average low temperature of -5°F in the coldest months of winter.

It's important to remember that USDA zone info for Bound Brook is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Bound Brook you get surprised by a frost after April 15 be ready to cover your purple coneflower if you have a surprise late frost.

USDA Zone Info for Bound Brook

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°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 0°F.

Plants to Grow in Bound Brook

You may be interested in your other planting guides for Bound Brook.