The USDA Zone info is a great tool for gardeners to help us estimate 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.

One way of estimating when you can plant santolina is to consult the USDA zone info for Dover.

Planting Calendar for Santolina

Frost tolerance for santolina:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Santolina do ok in pretty solid cold which means that you can plant them much earlier in the year than other plants that might not handle the cold.

The earliest that you can plant santolina in Dover 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 santolina and expect a good harvest is probably September. You probably don't want to wait any later than that or else your santolina may not have a chance to really do well. Starting your santolina indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Dover. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Dover is just an average the actual date of last frost is different every year. Half of the time in Dover last frost occurs after April 15 so make sure that you are ready to cover your santolina if you have a late frost.

USDA Zone Info for Dover

Here is the info for USDA Zone 6a.

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

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

Plants to Grow in Dover

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