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Gardening Month By Month
April


Work a good amount of compost into your garden soil. It will improve aeration in clay soils and increase water holding capacity in sandy soils. Click here
and herefor more information
Transplant well hardened off seedlings of lettuce, broccoli, cauliflower, kale and cabbage to the garden by the end of the month.  
Reduce pesticide use by selecting disease resistant plants. Click here for more information
Start a compost pile.  
Hold off on watering established turf. Research has shown lawns on Long Island usually do not need supplemental irrigation until the last week of May. Watch the weather. If we have a dry, mild winter, irrigation may be necessary at an earlier date. Click here for more information
Be on the watch for the first appearance of cabbage maggot from mid-April to mid-May.  
Place paper collars around the stems of susceptible plants to avoid cutworm damage.  
Start control of lawn weeds now, pre-emergent crabgrass control being one of them. Click here for more information
Plant strawberries and mulch when planted. If you have patience remove the flower buds the first year to develop a strong root system. Plant some in planters for this year's crop.  
Start control of lawn weeds now. Click here for more information
Sow hardy annual seeds outdoors.  
Prune established roses and plant new roses. Click here for more information
Plant herbaceous perennials now and continue planting thru May 15th. Click here for more information
Transplant well hardened off seedlings of lettuce, broccoli, cauliflower, kale and cabbage to the garden by the end of the month. Click here for more information
Start to "harden-off" indoor seedlings several days before transplanting. Plant them on a cloudy day to avoid sunburn. Click here for more information
Garden mums should be divided every 2 to 3 years. Dig and divide garden mums when the shoots are about four inches high. Click here for more information
Do not cut the foliage off spring flowering bulbs. Pinch off the spent bloom if you must clean up. The foliage continues to photosynthesize which enables the bulb to store food for this dormant period. Click here for more information


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Last updated May 13, 2008