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When to plant daffodils in Zagreb: 23 October – end of December

In Zagreb, daffodil: 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.

Daffodil in Zagreb: soil, season and weather

Nights then average below 0 °C in December, January; the coldest, January, averages -1.9 °C.

Planting23 October – end of December
First autumn frost22 November
Coldest nightsJanuary, -1.9 °C
Soil back at 7 °C in spring22 February
Daylight10:35 on 23 October
Daylight at the winter solstice8:40

The same dates in Zagreb hold for Garlic, Tulip, Crocus and Hyacinth.

Daffodil in Zagreb: depth, winter cold, pests and pets

Plant daffodils three times the bulb’s height deep (RHS): about 13–15 cm for large bulbs, 15–20 cm apart (University of Georgia Extension). The RHS advises planting them early in autumn, ideally in September in the UK, so do not leave them late: aim for the start of the window, 23 October.

In Zagreb the average daily temperature stays at 10 °C or lower for about 21 weeks a year (our estimate from ten years of monthly weather). For this bulb Wisconsin Horticulture Extension gives a cold period of 15–17 weeks at about 2–10 °C. The winter here gives that in the ground, so the bulbs need no pre-chilling.

Daffodils are long-lived: clumps slowly expand over the years (RHS). Leave the leaves for at least eight weeks after flowering — they feed next year’s flowers (University of Georgia Extension).

Squirrels avoid daffodils, so they can be planted among tulips to reduce losses (RHS). Daffodils are toxic to dogs, cats and horses; the bulbs are the most poisonous part, and a large amount can cause convulsions and heart rhythm problems (ASPCA).

Sources: RHS, University of Georgia Extension, Wisconsin Horticulture Extension, ASPCA.

Daffodil in nearby cities

Around Zagreb, Klagenfurt is 59 days earlier and Trieste 6 days later.

CityDistanceDateDifference
Graz146 km11 October – end of December12 days earlier
Klagenfurt157 km25 August – 30 October59 days earlier
Trieste172 km29 October – end of December6 days later
Udine214 km23 October – end of Decembersame day
Vienna269 km13 October – 29 December10 days earlier
Bratislava274 km17 October – end of December6 days earlier

Where to buy daffodil for planting in Zagreb

Planting stock goes into the ground from 23 October to the end of December; buy it before that. Within 15 km of Zagreb OpenStreetMap lists 7 garden centres, 8 farm-supply shops, 6 plant nurseries, 28 markets and 10 farm shops (collected 7 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant daffodils in Zagreb?

In Zagreb, daffodil: 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 Zagreb?

Last spring frost around 4 April, first autumn frost around 22 November.

Other crops in Zagreb, with their dates