When to Plant Nierembergia in Independence, OR

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

It's a good idea to determine when to plant nierembergia by looking at the USDA zone info for Independence.


Planting Calendar for Nierembergia

Frost tolerance for nierembergia: Not tolerant of frost.
When to plant: After all chance of frost has passed.

You can not plant nierembergia until after the last frost when the weather gets warmer because they do not do well in cold weather.

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

The earliest that you can plant nierembergia in Independence 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 nierembergia and expect a good harvest is probably August. If you wait any later than that and your nierembergia may not have a chance to fully mature. You can get started a little bit earlier by starting your nierembergia indoors.

Last Frost Date

On average all chance of frost has passed is on March 15 in Independence. It might get as low as 15°F during the coldest months of winter.

Keep in mind that USDA zone info for Independence is just an average and the actual date of last frost is different every year. Half of the time in Independence you get surprised by a frost after March 15 so make sure that you are prepared to protect your nierembergia 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.