The USDA Zone info is a great tool for gardeners to help us figure out 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.

The USDA zone info for Amsterdam can be reffered to in order to estimate when it's a good idea to plant chives.

Planting Calendar for Chives

Frost tolerance for chives:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Chives do ok in cold weather which means that you can plant them much earlier in the year than other frost tender plants.

The earliest that you can plant chives in Amsterdam 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 chives and expect a good harvest is probably September. You probably don't want to wait any later than that or else your chives may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your chives indoors.

Last Frost Date

In Amsterdam the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -15°F.

Just be sure to remember that USDA zone info for Amsterdam is just an average and the actual date of last frost will vary from year to year. Since half of the time in Amsterdam last frost occurs after April 15 be ready to protect your chives in the event of 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.