One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By looking at the USDA zone info for Westminster you should be able to estimate when you can plant poppies.

Planting Calendar for Poppies

Frost tolerance for poppies:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since poppies are moderately cold tolerant you can plant them just a bit earlier in the year than other frost tender plants.

The earliest that you can plant poppies in Westminster is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant poppies and expect a good harvest is probably October. You probably don't want to wait any later than that or else your poppies may not have a chance to fully mature. You can get started a few weeks earlier by starting your poppies indoors.

Last Frost Date

On average the last frost has passed is on January 31 in Westminster. In the coldest months of winter you can expect an average low temperature of 35°F.

Just be sure to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Westminster and it changes from year to year. Half of the time in Westminster you get surprised by a frost after January 31 so just be sure to be ready to protect your poppies in the event of a late frost.

USDA Zone Info for Westminster

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Westminster

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