When to Plant Argyranthemum in Valley Park, MO

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.

A common way of determining when it's a good idea to plant argyranthemum is to consult the USDA zone info for Valley Park.


Planting Calendar for Argyranthemum

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

Argyranthemum do not do well in cold weather which means that you really should wait until it warms up after the last frost has passed before you can plant them.

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

The earliest that you can plant argyranthemum in Valley Park 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 argyranthemum and expect a good harvest is probably August. Any later than that and your argyranthemum may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your argyranthemum indoors.

Last Frost Date

In Valley Park the average date of last frost happens on April 15. You can expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Valley Park may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Valley Park it frosts late in the year after April 15 be ready to cover your argyranthemum if you have one of those late frosts.

USDA Zone Info for Valley Park

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-5°F
Highest Expected Low0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Valley Park

You may be interested in your other planting guides for Valley Park.