| Needle-leafed evergreens (pines) may be pruned back (cut 1/2 of the new candle growth). | Click here for more information |
| Stake floppy perennials and secure peonies. | |
| Harden off transplants that were started indoors. | Click here for more information |
| Sow seeds of late herbaceous biennials and perennials. | |
| Fertilize early annuals and vegetables. Plants outdoors grow more rapidly than they do indoors, and they may need more fertilizer. | Click here for more information |
| Weed and then summer mulch your beds and borders. | Click here for more information |
| Empty the soil in your planters and replace the mix for this year's annuals. | |
| Try successive plantings of gladiolus. | |
| Sow vegetable crops directly into the garden now. | Click here for more information |
| Prune and divide early flowering perennials after they bloom. | |
| Your roses need tending to. | Click here and here for more information |
| Memorial Day is here. You may fertilize your lawn now. | Click here for more information |
| Prune out the brown or grayish tips of juniper branches during dry weather. | |
| Avoid applying pesticides to herbs that will be used in cooking. | |
| Make sure hoses don't leak, especially where they are connected to the spigot. If necessary, install an inexpensive plastic washer. | |
| When working with power tools and equipment, avoid distraction. | |
| Bring houseplants outside for a summer vacation after May 20. Fertilize them and keep them in the shade or they will sunburn. | Click here for more information |
| If you see carpet weed and sheep sorrel, have your soil pH tested. Those weeds thrive in acid soil. | Click here and here for more information |
| Look for orange pustules on the underside of hollyhock leaves - sign of rust fungus. Pick off rusted leaves. | |
| Knotweed quickly takes over lawns that have compacted soil. Consider rototilling and renovating the lawn in August or early September. | Click here for more information |