When to Plant Creeping Zinnia in Grants Pass, OR

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

The first opportunity to plant creeping zinnia in Grants Pass can be determined 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 very little cold which tells us that you can plant them slightly 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 Grants Pass 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 creeping zinnia and expect a good harvest is probably August. You probably don't want to wait any later than that or else your creeping zinnia may not have a chance to really do well. You can get started a little bit earlier by starting your creeping zinnia indoors.

Last Frost Date

On average all chance of frost has passed is on March 15 in Grants Pass. In the coldest months of winter you should expect an average low temperature of 15°F.

Since the USDA zone info for Grants Pass is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Grants Pass there is a last frost after March 15 be ready to protect your creeping zinnia if you have one of those late frosts.

USDA Zone Info for Grants Pass

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)March 15
Average Date of First Frost (fall)October 15
Lowest Expected Low15°F
Highest Expected Low20°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 20°F.

Plants to Grow in Grants Pass

You may be interested in your other planting guides for Grants Pass.