When to Plant Stoneseed in Hyrum, UT

One of the first steps you take when you are estimating 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 Hyrum you can determine when to plant stoneseed by checking out the USDA zone info.


Planting Calendar for Stoneseed

Frost tolerance for stoneseed: Not tolerant of frost.
When to plant: After all chance of frost has passed.

Since stoneseed require warm weather you need to wait until after the last frost has passed before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant stoneseed
Possibly ok, but a risky time to plant stoneseed
Probably not a good time to plant stoneseed

The earliest that you can plant stoneseed in Hyrum is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant stoneseed and expect a good harvest is probably August. Any later than that and your stoneseed may not have a chance to grow to maturity. Starting your stoneseed indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

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

Since the USDA zone info for Hyrum is an average the actual date of last frost is different every year. Since half of the time in Hyrum it frosts late in the year after April 15 be ready to cover your stoneseed in the event of one of those late frosts.

USDA Zone Info for Hyrum

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 Hyrum

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