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 making a decision about when it's possible to plant california poppy is to look at the USDA zone info for Penns Grove.

Planting Calendar for California Poppy

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

California Poppy tend to make it in very little cold which tells us that 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 california poppy in Penns Grove 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 california poppy and expect a good harvest is probably August. If you wait any later than that and your california poppy may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your california poppy indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Penns Grove. In the coldest months of winter you should expect an average low temperature of 5°F.

Remember that USDA zone info for Penns Grove is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Penns Grove there is a last frost after April 15 so make sure that you are prepared to cover your california poppy in the event of a surprise late frost.

USDA Zone Info for Penns Grove

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 Penns Grove

You may be interested in your other planting guides for Penns Grove.