Tobacco hornworm in New Jersey: When It Shows Up and What Stops It
Tobacco hornworms turn up in New Jersey gardens from late June through September, with the heaviest feeding damage hitting in July and August.
Home & garden, state by state
Everything we have worked out for New Jersey: what to plant and when, which varieties finish in time, the pests that actually turn up here, and the jobs that pay off month by month. We also cover the rest of the property, from lawns and soil to home care and energy, because a garden rarely stops at the vegetable bed.
The numbers first, because everything else follows from them. Measured at the weather station in Newark, the last spring freeze runs March 29 to April 6 and the first fall freeze runs November 4 to November 16, USDA zones 6a-7b, 3,881 growing degree days in the year.
Garlic does well: 21.8 weeks below 40 °F, comfortably past the six it needs to form a proper head.
Elsewhere on the property in New Jersey: the pests that turn up here.
Figures from NOAA's 1991-2020 climate normals. A state is not one climate: elevation, a large lake or the coast can move these dates by two weeks either way, so check your own county with the extension service before you spend money.
Tobacco hornworms turn up in New Jersey gardens from late June through September, with the heaviest feeding damage hitting in July and August.
Tomato hornworms show up in New Jersey gardens in two waves each year, the first in late June through July and a second, often heavier, wave in August…
A county-by-county look at the ten insects Rutgers NJAES flags for New Jersey vegetable gardens and what actually controls each one.
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New Jersey gardeners plant garlic cloves from mid October through late October, timed to root before Newark’s first fall frost arrives.
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Using Newark’s NOAA frost window and catalog days to maturity, this guide sorts fourteen tomato varieties by how comfortably each one ripens before frost in New Jersey.
A season-by-season rundown of the tomato pests that actually turn up in New Jersey gardens, how to identify each one, and what stops it.