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When to plant hyacinths in Atlantic City: 23 October – end of December

In Atlantic City, hyacinth: plant from 23 October to the end of December.

Bulbs are best planted early in the window: late-planted bulbs may flower later or less well. Late planting works only while the soil can be dug. Mulch after planting.

The average daily temperature here stays above 0 °C all winter, and at least three months average 7 °C or less: our rule of thumb for the winter cold spring bulbs need. Sources: Iowa State University Extension, Wisconsin Horticulture Extension, UNH Extension, RHS.

Hyacinth in Atlantic City: soil, season and weather

Nights then average below 0 °C in January; the coldest, January, averages -0.8 °C.

Planting23 October – end of December
First autumn frost22 November
Coldest nightsJanuary, -0.8 °C
Soil back at 1 °C in springalready in the first week of January
Daylight10:53 on 23 October
Daylight at the winter solstice9:23

The same dates in Atlantic City hold for Garlic, Tulip, Daffodil and Crocus.

Hyacinth in Atlantic City: depth, winter cold, pests and pets

Plant hyacinths 10 cm deep, at least 7.5 cm apart (RHS). In the ground hyacinths are fully hardy, but in containers they can be frost tender in cold winters (RHS); here winter nights average below 0 °C, so wrap the pots or move them to a sheltered spot.

In Atlantic City the average daily temperature stays at 10 °C or lower for about 20 weeks a year (our estimate from ten years of monthly weather). For this bulb Wisconsin Horticulture Extension gives a cold period of 12–15 weeks at about 2–10 °C. The winter here gives that in the ground, so the bulbs need no pre-chilling.

Flowers get smaller in the years after planting: for full spikes, replace the bulbs or add a few new ones each autumn (RHS).

If squirrels are a problem, protect the bulbs with wire mesh (RHS). Hyacinths are toxic to dogs, cats and horses: intense vomiting and diarrhoea (ASPCA).

Sources: RHS, Wisconsin Horticulture Extension, ASPCA.

Hyacinth in nearby cities

Around Atlantic City, Allentown is 19 days earlier and Dover 4 days later.

CityDistanceDateDifference
Philadelphia92 km12 October – end of December11 days earlier
Dover97 km27 October – end of December4 days later
Trenton100 km13 October – end of December10 days earlier
New York154 km21 October – end of December2 days earlier
Allentown165 km4 October – 30 December19 days earlier
Annapolis184 km20 October – end of December3 days earlier

Where to buy hyacinth for planting in Atlantic City

Planting stock goes into the ground from 23 October to the end of December; buy it before that. Within 15 km of Atlantic City OpenStreetMap lists 3 markets and 1 farm shop (collected 28 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant hyacinths in Atlantic City?

In Atlantic City, hyacinth: plant from 23 October to the end of December. Bulbs are best planted early in the window: late-planted bulbs may flower later or less well. Late planting works only while the soil can be dug. Mulch after planting.

When is the last spring frost in Atlantic City?

Last spring frost around 29 March, first autumn frost around 22 November.

Other crops in Atlantic City, with their dates