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When to plant hyacinths in Columbus: 3 October – 25 December

In Columbus, hyacinth: plant from 3 October to about 25 December. For planting stock, the places nearby include Mini Super (farm shop, 1 km); addresses and opening hours are below.

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 date is about two weeks before the average daily temperature here falls below 0 °C (ten years of weather): an estimate, not the day the ground freezes, and a cold spell can freeze it earlier. Sources: Iowa State University Extension, Wisconsin Horticulture Extension, UNH Extension, RHS, how the ground freezes (NRC Canada, CBD-26).

Hyacinth in Columbus: soil, season and weather

Nights then average below 0 °C in December–February; the coldest, January, averages -4.8 °C.

Planting3 October – 25 December
First autumn frost2 November
Coldest nightsJanuary, -4.8 °C
Soil back at 1 °C in springalready in the first week of January
Daylight11:43 on 3 October
Daylight at the winter solstice9:20

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

Hyacinth in Columbus: 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 Columbus the average daily temperature stays at 10 °C or lower for about 22 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

1 of the nearest cities share Columbus's date.

CityDistanceDateDifference
Cincinnati159 km10 October – end of December7 days later
Cleveland203 km22 October – 23 December19 days later
Charleston, West Virginia214 km8 October – end of December5 days later
Fort Wayne220 km3 October – 10 Decembersame day
Frankfort254 km4 October – end of December1 day later
Lexington254 km8 October – end of December5 days later

Where to buy hyacinth for planting in Columbus

Planting stock goes into the ground from 3 October to about 25 December; buy it before that. Within 15 km of Columbus OpenStreetMap lists 9 garden centres, 1 farm-supply shop, 9 markets and 2 farm shops (collected 20 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant hyacinths in Columbus?

In Columbus, hyacinth: plant from 3 October to about 25 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 Columbus?

Last spring frost around 22 April, first autumn frost around 2 November.

Other crops in Columbus, with their dates