When to Plant Creeping Zinnia in Laramie, WY

One of the first steps you take when you are determining 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.

You can determine when it's possible to plant creeping zinnia in Laramie by checking out the USDA zone info.


Planting Calendar for Creeping Zinnia

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

Creeping Zinnia can survive in some cold which means that you can plant them a bit earlier in the year than more sensitive plants.

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

The earliest that you can plant creeping zinnia in Laramie 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 creeping zinnia and expect a good harvest is probably August. Any later than that and your creeping zinnia may not have a chance to really do well. If you are starting your creeping zinnia indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Laramie. It might get as low as -25°F during the coldest months of winter.

Since the USDA zone info for Laramie may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Laramie there is a last frost after May 15 so make sure that you are prepared to protect your creeping zinnia if you have a surprise late frost.

USDA Zone Info for Laramie

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-25°F
Highest Expected Low-20°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 -20°F.

Plants to Grow in Laramie

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