When to Plant Geum in Highland, CA

Before planting it is a good idea to find your USDA Zone info to determine 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.

You will be able to figure out when it's the best time to plant geum by checking out the USDA zone info for Highland.

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Planting Calendar for Geum

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

You can plant geum a bit earlier in the year because they are barely cold tolerant.

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

The earliest that you can plant geum in Highland 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 geum and expect a good harvest is probably September. Any later than that and your geum may not have a chance to really do well. You can get started a little bit earlier by starting your geum indoors.

Last Frost Date

In Highland the average date of last frost happens on February 15. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Highland is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Highland last frost occurs after February 15 so always be ready to cover your geum if you have a late frost.

USDA Zone Info for Highland

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)February 15
Average Date of First Frost (fall)December 15
Lowest Expected Low25°F
Highest Expected Low30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Highland

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