The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of estimating when it's possible to plant iceland poppy is to look at the USDA zone info for Cambridge.

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 are moderately cold tolerant which means that you can plant them a little bit earlier than more sensitive plants.

The earliest that you can plant iceland poppy in Cambridge 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 fully mature. You can get started a little bit earlier by starting your iceland poppy indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Cambridge. In the coldest months of winter you should expect an average low temperature of 5°F.

Since the USDA zone info for Cambridge is just an average the actual date of last frost changes from year to year. Since half of the time in Cambridge there is a last frost after April 15 be ready to cover your iceland poppy in the event of one of those late frosts.

USDA Zone Info for Cambridge

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°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 10°F.

Plants to Grow in Cambridge

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