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Sweet Corn Derry NH

Nothing says summer in Derry like freshly harvested, lightly steamed ears of sweet corn. Sweet corn varieties include yellow, white, and bi-colored types. Because corn is wind-pollinated, it should be planted in blocks of at least four rows rather than in long single rows.

Lowe'S Roses
(603) 888-2214
6 Sheffield Road
Nashua, NH
 
Rockingham Acres Garden Ctr
(603) 434-2817
161 Rockingham Rd
Derry, NH

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Demers Garden Ctr Inc
(603) 625-8298
656 S Mammoth Rd
Manchester, NH
 
Blue Ribbon Fence & Landscape Company
(603) 624-5400
155 W Baker St
Manchester, NH
 
Classic Landscapes
(603) 669-9231
490 E Industrial Park Dr
Manchester, NH
 
Blue Seal Feeds Inc
(603) 432-9546
68 Crystal Ave
Derry, NH

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Artisan Landscapes
(603) 647-0177
840 Candia Rd
Manchester, NH
 
New Taiwan Garden
(603) 641-5088
575 S Willow St
Manchester, NH
 
Bamboo Garden
(603) 624-0009
329 Lincoln St
Manchester, NH
 
Outdoor Pride Landscaping
(603) 625-9738
500 Harvey Rd
Manchester, NH
 
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Sweet Corn

Nothing says summer like freshly harvested, lightly steamed ears of sweet corn.

About This Plant

Sweet corn varieties include yellow, white, and bi-colored types. Because corn is wind-pollinated, it should be planted in blocks of at least four rows rather than in long single rows. By planting early, mid, and late-season varieties you can extend the harvest over several weeks. Plant corn on the north side of the garden to prevent it from shading nearby crops.

Site Selection

Select a site with full sun and well-drained soil. Prepare the garden bed by using a garden fork or tiller to loosen the soil to a depth of 12 to 15 inches, then mix in a 2- to 4-inch layer of compost and/or aged manure.

Planting Instructions

Plant corn directly outdoors after all danger of frost has passed and the soil temperature is about 60 degrees F. Corn requires a good deal of nitrogen for optimum growth, so work plenty of aged manure into the soil the previous fall and plan to fertilize with additional nitrogen during the growing season if necessary. Plant corn seeds in blocks of at least four rows with 2 to 4 feet between rows, sowing the seeds 1-1/2 to 2 inches deep and 6 to 8 inches apart.

Care

Thin the corn to stand 12 to 16 inches apart when the plants are 4 to 5 inches tall. Provide at least 1 inch of water a week. Control weeds with frequent shallow cultivation until the plants are knee high. Then apply a 3- to 5-inch layer of mulch. Watch for signs of nitrogen deficiency (yellowing leaves) and respond with quick side-dressings of a nitrogen-rich fertilizer such as fish emulsion. Contact your local County Extension office for controls of common corn pests such as corn earworms and European corn borers.

Harvesting

Sweet corn should be harvested when its ears are completely filled out and a pierced kernel shows a milky white liquid. Sweet corn varieties (except for supersweet varieties) lose their sweetness soon after harvest. Immediately after picking prepare the ears for eating or preserving.

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