One of the first steps you take when you are figuring out your gardening schedule is find your 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.

It's a good idea to figure out when you can plant pincushion flower by referring to the USDA zone info for Edinburgh.

Planting Calendar for Pincushion Flower

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

Pincushion Flower do well in moderate cold which means that you can start planting them earlier than more sensitive plants.

The earliest that you can plant pincushion flower in Edinburgh 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 pincushion flower and expect a good harvest is probably September. If you wait any later than that and your pincushion flower may not have a chance to fully mature. Starting your pincushion flower indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Edinburgh. In the coldest months of winter you should expect an average low temperature of -10°F.

Remember that USDA zone info for Edinburgh is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Edinburgh you get a frost after April 15 be ready to cover your pincushion flower if you have one of those late frosts.

USDA Zone Info for Edinburgh

Here is the info for USDA Zone 6a.

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

Plants to Grow in Edinburgh

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