When can I plant Saxifraga in Zone 1a

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

You can figure out when it's possible to plant saxifraga in Zone 1a by referring to the USDA zone info.


Planting Calendar for Saxifraga

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

You can plant saxifraga slightly earlier in the year because they are barely cold tolerant.

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

The earliest that you can plant saxifraga in Zone 1a is June. However, you really should wait until July if you don't want to take any chances.

The last month that you can plant saxifraga and expect a good harvest is probably July. If you wait any later than that and your saxifraga may not have a chance to grow to maturity. If you are starting your saxifraga indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on June 15 in Zone 1a. In the coldest months of winter we should expect an average low temperature of -60°F.

Keep in mind that USDA zone info for Zone 1a is just an average and our actual date of last frost can change quite a bit from year to year. Half of the time in Zone 1a we get surprised by a frost after June 15 so be sure to be ready to cover your saxifraga if we have one of those late frosts.

USDA Zone Info for Zone 1a

Here is the info for USDA Zone 1a.

Average Date of Last Frost (spring)June 15
Average Date of First Frost (fall)July 15
Lowest Expected Low-60°F
Highest Expected Low-55°F

This means that on a really cold year, the coldest it will get is -60°F. On most years you should be prepared to experience lows near -55°F.

Plants to Grow in Zone 1a

You may be interested in our other planting guides for Zone 1a.