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

One way of determining when it's possible to plant lenten rose is to consult the USDA zone info for Raritan.

Planting Calendar for Lenten Rose

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

Since lenten rose do well in moderate cold you can plant them a little earlier in the year than other plants that might not handle the cold.

The earliest that you can plant lenten rose in Raritan 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 lenten rose and expect a good harvest is probably September. If you wait any later than that and your lenten rose may not have a chance to grow to maturity. You can get started a little bit earlier by starting your lenten rose indoors.

Last Frost Date

In Raritan the average date of last frost happens on April 15. You should expect an average low temperature of -5°F in the coldest months of winter.

It's important to remember that USDA zone info for Raritan is just an average and the actual date of last frost will vary from year to year. Since half of the time in Raritan it frosts late in the year after April 15 be ready to cover your lenten rose in the event of a late frost.

USDA Zone Info for Raritan

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 Raritan

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