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When to plant hyacinths in Potenza: 26 October – end of December

In Potenza, hyacinth: plant from 26 October to the end of December. For planting stock, the places nearby include Olimpo Verde (garden centre, 6 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 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 Potenza: soil, season and weather

Nights then average below 0 °C in January, February; the coldest, January, averages -1.4 °C.

Planting26 October – end of December
First autumn frost25 November
Coldest nightsJanuary, -1.4 °C
Soil back at 1 °C in springalready in the first week of January
Daylight10:42 on 26 October
Daylight at the winter solstice9:16

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

Hyacinth in Potenza: 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 Potenza the average daily temperature stays at 10 °C or lower for about 25 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 Potenza, L'Aquila is 13 days earlier and Foggia 25 days later.

CityDistanceDateDifference
Salerno86 kmby 11 November16 days later
Foggia94 kmby 20 November25 days later
Cosenza154 km31 October – end of December5 days later
Lecce202 kmby 28 October2 days later
Pescara243 kmby 10 November15 days later
L'Aquila276 km13 October – end of December13 days earlier

Where to buy hyacinth for planting in Potenza

Planting stock goes into the ground from 26 October to the end of December; buy it before that. Within 15 km of Potenza OpenStreetMap lists 2 garden centres, 1 market and 1 farm shop (collected 27 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant hyacinths in Potenza?

In Potenza, hyacinth: plant from 26 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 Potenza?

Last spring frost around 15 April, first autumn frost around 25 November.

Other crops in Potenza, with their dates