One of the first steps you take when you are estimating 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.

You will be able to determine when it's the best time to plant shallots by referring to the USDA zone info for Glasgow.

Planting Calendar for Shallots

Frost tolerance for shallots:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

You can plant shallots just a tiny bit earlier in the year because they are barely cold tolerant.

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

The last month that you can plant shallots and expect a good harvest is probably August. You probably don't want to wait any later than that or else your shallots may not have a chance to really do well. Starting your shallots indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Glasgow. You should expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Glasgow may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Glasgow it frosts late in the year after April 15 so make sure that you are prepared to protect your shallots if you have a late frost.

USDA Zone Info for Glasgow

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°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 0°F.

Plants to Grow in Glasgow

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