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 determining when it's a good idea to plant iceland poppy is to use the USDA zone info for Thomson.

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 ok in moderate cold which means that you can plant them a little bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant iceland poppy in Thomson 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. Any later than that and your iceland poppy may not have a chance to fully mature. Starting your iceland poppy indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Thomson. It might get as low as 10°F during the coldest months of winter.

Since the USDA zone info for Thomson may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Thomson last frost occurs after March 15 be ready to cover your iceland poppy in the event of a late frost.

USDA Zone Info for Thomson

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Thomson

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