One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Sandy you can figure out when it's the best time to plant hypericum by referring to the USDA zone info.

Planting Calendar for Hypericum

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

Since hypericum are barely cold tolerant you can plant them slightly earlier in the year than other frost tender plants.

The earliest that you can plant hypericum in Sandy 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 hypericum and expect a good harvest is probably August. If you wait any later than that and your hypericum may not have a chance to grow to maturity. If you are starting your hypericum indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on March 15 in Sandy. In the coldest months of winter you can expect an average low temperature of 15°F.

Keep in mind that USDA zone info for Sandy is an average and the actual date of last frost changes from year to year. Half of the time in Sandy last frost occurs after March 15 so make sure that you are ready to cover your hypericum in the event of a surprise late frost.

USDA Zone Info for Sandy

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Sandy

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