Spring gardening calendar

These activities can be done on any day of the week — By Ellen Wells, Globe Correspondent

May 25 - 31

Celebrate Memorial Day with an outdoor barbecue. (Essdras M Suarez/Globe Staff) Celebrate Memorial Day with an outdoor barbecue.
Monday

25

Memorial Day. Fire up your grill!
Tuesday

26

Remove weeds in the lawn by hand or spot-treat with a weed control.
Wednesday

27

Take photos of your gardens weekly to review in winter.
Thursday

28

Making your own mixed container gardens? Make sure the container has drainage holes.
Friday

29

Place "feet" or shims under containers to protect your deck.

Harvest asparagus until shoots become tough.

Saturday

30

Prune spring-flowering trees and shrubs immediately after flowering.
Sunday

31

Sow seeds of bush and lima beans, sweet corn, cukes, summer squash, carrots, chard. Transplant leaf lettuce, sweet potatoes.
These guidelines are all dependent on Mother Nature, of course, and your location. For the Boston area, Zone 6 hardiness puts the last frost date around May 1. For Zone 5, add a week; Zone 4, add two. But that doesn't mean cold nights are gone for good. Keep a careful eye on your local weather forecast to watch for unseasonably cold temperatures. Find your USDA Hardiness Zone at www.garden.org/zipzone.

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