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 way of determining when you can plant galium is to use the USDA zone info for Amsterdam.

Planting Calendar for Galium

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

Galium do well in moderate cold which tells us that you can plant them a little earlier in the year than other frost tender plants.

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

Last Frost Date

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

Since the USDA zone info for Amsterdam may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Amsterdam there is a last frost after April 15 be ready to protect your galium 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.