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- Select flowering perennials with a progression of bloom from spring to fall.
- Transplant groundcovers including English Ivy, Myrtle, Pachysandra & Ajuga.
- Stake elongating stalks of Peonies to prevent “flopping” – use special peony rings. Leave in place until the stalks are cut to the ground in late September.
- Remove spent blossoms from tulips, daffodils & other bulbs, but let foliage wither & turn yellow before you remove it to replenish the bulb’s food supply for next year.
- Apply Rose fertilizer (Rosetone) now – rich in organics, to promote vigorous growth & beautiful blooms.
ANNUALS & VEGGIES:
- Make successive plantings of carrots, beets, radishes, chard & leaf lettuce.
- Since phosporous moves very slowly in the soil, fertilizers with this nutrient are best scratched into the root zone.
- Wash insect-infested herb plants with a mild soap solution, then rinse with clear water.
- Select early, midseason & late cultivars of Blueberries for a long picking season.
- Remember Mom with a flowering plant OR LEAVE HER ALONE ALL DAY SO SHE CAN GARDEN!
- Make first planting of sweet corn & green beans.
- Plant Dahlias in sunny, well-drained, fertile soil after the ground is warm.
- Set aside a small plot near the back door as a “snack” garden. Enjoy herbs, berries & veggies.
TREES & SHRUBS:
- Hedges of boxwood, privet, barberry & yew can be sheared or trimmed as often as needed through the summer to keep their shape. Keep the base wider than the top.
- Finger-prune the “candles” of mugho pine, pinching them back most of the way to force internal growth rather than leggy growth beyond the plant’s present height & width.
- Tent caterpillars have exited their egg clusters & constructed silken tents in the crotches of trees. They won’t venture far beyond the tent for the next few weeks, but by late May they will start devouring foliage day & night.
- If possible, poke a hole in the tent & direct a stream of water into the tent to break it apart & knock it to the ground.T
- Then sprinkle limestone over the wiggling caterpillars to immobilize them, causing them to die in a matter of hours.
- Protect honeybees! Never apply insecticides to fruit trees in bloom.
- Want privacy? Plant a hedge of Arborvitae, Hemlock, White Pine, upright Junipers…
- Grubs have entered a month-long resting phase after which the emerge as flying Japanese beetles.
- Spot treat broadleaf weeds with an appropriate herbicide if weeds are not widespread throughout your lawn.