What to plant in British Columbia in October

October in central British Columbia marks the final window for garden preparation before the onset of freezing temperatures. Gardeners should focus on harvesting late-season crops, planting hardy garlic, and preparing soil beds to withstand the approaching winter dormancy.

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Garlic
Direct outdoor sowing; plant cloves 4-6 inches deep before the ground freezes.

Tasks

Monthly tasks

Clean up plant debris to prevent overwintering pests and diseases. Apply a thick layer of organic mulch over garlic beds to insulate against the forecasted November freeze. Empty and store rain barrels and irrigation equipment to prevent damage from freezing.

Climate and watering

With 67.5mm of rainfall expected in October, supplemental irrigation is generally unnecessary. Monitor soil moisture levels, but prioritize drainage to prevent root rot as temperatures decline.

notes

FAQ

Can I still start warm-season crops like tomatoes indoors in October? +

No. The climate data for November, December, and January shows average temperatures well below the requirements for warm-season crops, making indoor starts non-viable.

Why is it too late to transplant vegetable seedlings outdoors? +

With an average temperature of 3.3°C and a minimum of 0°C, the soil is too cold for seedlings to establish roots before the impending hard frost in November.

When should I finish planting garlic? +

Garlic should be planted as soon as possible in October, ideally at least 2-3 weeks before the ground freezes, to ensure roots develop while the soil is still workable.