Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By using the USDA zone info for Amsterdam you should be able to figure out when to plant axilflower.

Planting Calendar for Axilflower

Frost tolerance for axilflower:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since axilflower are not cold tolerant it's necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant axilflower in Amsterdam is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant axilflower and expect a good harvest is probably August. Any later than that and your axilflower may not have a chance to really do well. If you are starting your axilflower indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Amsterdam the average date of last frost happens on April 15. It might get as low as -15°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Amsterdam is an average and the actual date of last frost will vary from year to year. Since half of the time in Amsterdam you get a frost after April 15 be ready to protect your axilflower if you have a surprise late frost.

USDA Zone Info for Amsterdam

Here is the info for USDA Zone 5b.

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

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

Plants to Grow in Amsterdam

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