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When to plant crocuses in Montgomery: by 30 October

In Montgomery, crocus: plant by 30 October. The winter here is too mild for our late-planting rule, so we give no later limit.

Crocus in Montgomery: soil, season and weather

No month averages below 0 °C at night; the coldest nights, in January, average 4.4 °C.

Plantingby 30 October
First autumn frost29 November
Coldest nightsJanuary, 4.4 °C
Soil back at 1 °C in springalready in the first week of January
Daylight10:57 on 30 October
Daylight at the winter solstice10:01

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

Crocus in Montgomery: 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 Montgomery the average daily temperature stays at 10 °C or lower for about 2 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. That is less than the bulbs need, and without more cold they may not flower properly. The cold can also be given in a refrigerator at about 2–7 °C, as Wisconsin Horticulture Extension does for crocuses forced in pots.

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

Around Montgomery, Chattanooga is 17 days earlier and Macon 2 days later.

CityDistanceDateDifference
Birmingham (United States)136 kmby 27 October3 days earlier
Atlanta235 kmby 23 October7 days earlier
Macon253 kmby 1 November2 days later
Huntsville259 kmby 15 October15 days earlier
Chattanooga316 kmby 13 October17 days earlier
Jackson365 kmby 29 October1 day earlier

Questions

When to plant crocuses in Montgomery?

In Montgomery, crocus: plant by 30 October. The winter here is too mild for our late-planting rule, so we give no later limit.

When is the last spring frost in Montgomery?

Last spring frost around 1 March, first autumn frost around 29 November.

Other crops in Montgomery, with their dates