One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of making a decision about when it's possible to plant iceland poppy is to use the USDA zone info for Guymon.

Planting Calendar for Iceland Poppy

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

Iceland Poppy do well in some cold which means that you can plant them a little bit earlier in the year than other frost tender plants.

The earliest that you can plant iceland poppy in Guymon is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant iceland poppy and expect a good harvest is probably September. If you wait any later than that and your iceland poppy may not have a chance to grow to maturity. Starting your iceland poppy indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on April 15 in Guymon. In the coldest months of winter you can expect an average low temperature of -5°F.

Since the USDA zone info for Guymon is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Guymon you get a frost after April 15 so always be ready to cover your iceland poppy if you have one of those late frosts.

USDA Zone Info for Guymon

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 Low	0°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 Guymon

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