When to Plant Gomphrena in Independence, OR

Before planting it is a good idea to find your USDA Zone info to estimate 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 determine when it's possible to plant gomphrena by referring to the USDA zone info for Independence.


Planting Calendar for Gomphrena

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

You can plant gomphrena a bit earlier in the year because they are one of those plants that can tolerate a tiny bit of cold weather.

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

The earliest that you can plant gomphrena in Independence 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 gomphrena and expect a good harvest is probably August. You probably don't want to wait any later than that or else your gomphrena may not have a chance to grow to maturity. If you are starting your gomphrena indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Independence. It might get as low as 15°F during the coldest months of winter.

Since the USDA zone info for Independence is just an average the actual date of last frost changes from year to year. Since half of the time in Independence you get surprised by a frost after March 15 be ready to cover your gomphrena in the event of a late frost.

USDA Zone Info for Independence

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)March 15
Average Date of First Frost (fall)November 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 Independence

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