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When to plant crocuses in Guarda: 26 October – end of December

In Guarda, crocus: 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.

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.

Crocus in Guarda: soil, season and weather

No month averages below 0 °C at night; the coldest nights, in January, average 1 °C.

Planting26 October – end of December
First autumn frost25 November
Coldest nightsJanuary, 1 °C
Soil back at 1 °C in springalready in the first week of January
Daylight10:43 on 26 October
Daylight at the winter solstice9:16

The same dates in Guarda hold for Garlic, Tulip, Daffodil and Hyacinth.

Crocus in Guarda: depth, winter cold, pests and pets

Plant Dutch crocuses (Crocus vernus) about 12 cm deep and 9 cm apart; smaller species go 7–10 cm deep (RHS).

In Guarda the average daily temperature stays at 10 °C or lower for about 23 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.

Crocuses multiply on their own (they naturalise); in a lawn, hold off mowing until their leaves die back (RHS).

Birds, squirrels and rodents damage crocuses; planting under metal mesh may reduce losses (RHS). Spring crocus gives dogs and cats vomiting and diarrhoea; do not confuse it with autumn crocus (Colchicum), which is very toxic (Pet Poison Helpline).

Sources: RHS, Wisconsin Horticulture Extension, Pet Poison Helpline.

Crocus in nearby cities

All the nearest cities on our list plant crocus later than Guarda; the closest date is in Viseu, 15 days later.

CityDistanceDateDifference
Viseu56 kmby 10 November15 days later
Castelo Branco82 kmby 26 November31 days later
Vila Real93 kmby 22 November27 days later
Plasencia115 kmby 30 November35 days later
Porto132 kmby 19 November24 days later
Cáceres141 kmby 24 November29 days later

Where to buy crocus for planting in Guarda

Planting stock goes into the ground from 26 October to the end of December; buy it before that. Within 15 km of Guarda OpenStreetMap lists 2 markets (collected 27 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant crocuses in Guarda?

In Guarda, crocus: 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 Guarda?

Last spring frost around 2 April, first autumn frost around 25 November.

Other crops in Guarda, with their dates