One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of estimating when it's possible to plant iceland poppy is to examine the USDA zone info for Gretna.

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

The earliest that you can plant iceland poppy in Gretna 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 iceland poppy and expect a good harvest is probably October. You probably don't want to wait any later than that or else your iceland poppy may not have a chance to really do well. You can get started a few weeks earlier by starting your iceland poppy indoors.

Last Frost Date

The average date of last frost is February 15 in Gretna. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Gretna is an average the actual date of last frost is different every year. Half of the time in Gretna there is a last frost after February 15 so just be sure to be ready to protect your iceland poppy in the event of a late frost.

USDA Zone Info for Gretna

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 Low	25°F
Highest Expected Low	30°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 Gretna

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