Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant santolina in Houghton can be determined by using the USDA zone info.

Planting Calendar for Santolina

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

Santolina do well in cold which tells us that you can plant them much earlier than more sensitive plants.

The earliest that you can plant santolina in Houghton 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. Any later than that and your santolina may not have a chance to fully mature. You can get started a few weeks earlier by starting your santolina indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Houghton. You can expect an average low temperature of -15°F in the coldest months of winter.

Keep in mind that USDA zone info for Houghton is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Houghton last frost occurs after April 15 be ready to cover your santolina if you have a surprise late frost.

USDA Zone Info for Houghton

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Houghton

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