When to Plant Chrysocephalum in Boulder City, NV

Before planting it is a good idea to find your USDA Zone info to figure out 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.

The USDA zone info for Boulder City can be reviewed to determine when to plant chrysocephalum.


Planting Calendar for Chrysocephalum

Frost tolerance for chrysocephalum: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

You should not plant chrysocephalum until after the last frost has passed because they require warm weather.

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

The earliest that you can plant chrysocephalum in Boulder City 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 chrysocephalum and expect a good harvest is probably September. If you wait any later than that and your chrysocephalum may not have a chance to grow to maturity. If you are starting your chrysocephalum indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on February 15 in Boulder City. You can expect an average low temperature of 25°F in the coldest months of winter.

It's important to remember that USDA zone info for Boulder City is not always accurate and the actual date of last frost is different every year. Since half of the time in Boulder City last frost occurs after February 15 be ready to protect your chrysocephalum if you have a surprise late frost.

USDA Zone Info for Boulder City

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)February 15
Average Date of First Frost (fall)December 15
Lowest Expected Low25°F
Highest Expected Low30°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 30°F.

Plants to Grow in Boulder City

You may be interested in your other planting guides for Boulder City.