When to Plant Hypericum in Juneau, AK

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to figure out when it's a good idea to plant hypericum by using the USDA zone info for Juneau.


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 do ok in moderate cold you can plant them slightly earlier in the year than plants that are more sensitive to the cold.

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

The earliest that you can plant hypericum in Juneau 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. You probably don't want to wait any later than that or else your hypericum may not have a chance to really do well. You can get started a few weeks earlier by starting your hypericum indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Juneau. In the coldest months of winter you can expect an average low temperature of -5°F.

Since the USDA zone info for Juneau is not always accurate the actual date of last frost changes from year to year. Since half of the time in Juneau there is a last frost after April 15 be ready to cover your hypericum in the event of a late frost.

USDA Zone Info for Juneau

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 Low0°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 Juneau

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