Bulb crop · reference page

Garlic

A long-season bulb crop planted from suitable cloves in a sunny, well-drained position with locally appropriate winter timing.

Scientific name: Allium sativum

Editorial guidance without independent agronomic review

Published: August 3, 2026 · Updated: August 3, 2026

Direct sun reference
6 h
Usable root depth
25 cm
First-harvest band
180–260 days

Getting started

Sowing and space

Plant traceable garlic intended for cultivation, following the cultivar label for fall or spring timing and local winter conditions.

Allow about 25 cm of usable depth and roughly 12 cm between plants.

Watering reference: low to moderate. Adjust to rain, heat, wind, growth stage and container volume.

Planting windows by broad profile

These original editorial windows compare thermal groups, not live weather. Check current frost, heat, rainfall and packet directions.

Mild Pacific coast

Check drainage, salt exposure, local frost pockets and today’s forecast. A sheltered coastal garden can differ sharply from a nearby inland valley.

FebMarSepOctNov

Drainage is critical through a mild wet winter.

Dry southern BC interior

Confirm the last local frost, root-zone moisture and current water restrictions rather than treating a provincial average as a planting date.

MarAprSepOct

Prairie short season

Use a locally proven early cultivar and compare soil warmth, wind and remaining frost-free time. A hardiness zone does not supply an annual sowing date.

AprSep

Winter protection and cultivar hardiness require local confirmation.

Southern Great Lakes

Check the actual site, current heat and storm information, drainage and municipal water rules. Lakeshore, urban and inland sites do not behave alike.

MarAprSepOct

St. Lawrence lowland

Use current local frost and soil observations, and choose material whose label and language meet the rules where it is sold and grown.

AprSepOct

Cool Atlantic coast

Prioritize drainage and safe shelter, then check the current forecast. Fog, coast and exposure can make nearby gardens substantially different.

AprSepOct

Mountain and high elevation

Confirm frost risk, soil temperature and access before using covers. Protection must be secure, ventilated and realistic for the site.

AprSep

Northern very short season

Treat every month band as a screening signal only. Local knowledge, safe season-extension space, material access and the current forecast are essential.

May

Use only a locally proven system and do not assume a national fall window.

Practical care

  • Keep the bed weed-free without damaging shallow roots.
  • Reduce water near finishing only when local conditions justify it.

Points to check

  • Food-store bulbs may be unsuitable or pose plant-health risk.
  • Standing water can rot cloves.

Provenance and confidence

This rule is an original editorial synthesis and no independent local agronomic review is claimed.

  • Canada English home food garden editorial synthesis — version 1

    Global Garden Planner

    Original eight-profile model, planting bands and en-CA corpus. It remains an editorial draft until independent Canadian agronomic review is recorded.

    Editorial role: internal synthesis · Rights position: Original project content · Accessed: August 3, 2026

    Open source

  • Canadian Climate Normals 1991–2020

    Environment and Climate Change Canada

    Supports distinguishing climate averages from a current forecast and recognizing large local variation. The package does not ingest ECCC data or derive month bands from station values.

    Editorial role: fact reference · Rights position: Government page linked and paraphrased for high-level context; no normal, station row, CSV, map or data product is copied or transformed · Accessed: August 3, 2026

    Open source

  • Canada's Plant Hardiness Site

    Natural Resources Canada, Canadian Forest Service

    Supports explaining that Canadian hardiness combines long-term climatic factors and was designed around perennial survival, not an annual vegetable planting date.

    Editorial role: fact reference · Rights position: Government page linked and summarized; no map, municipal lookup, raster, table or downloadable product is redistributed · Accessed: August 3, 2026

    Open source

  • Determining planting dates

    Gardening at USask, University of Saskatchewan

    Supports separating frost-free period, soil warmth, germination and cultivar maturity. It is prairie-oriented and does not supply the national calendar model.

    Editorial role: fact reference · Rights position: Copyright source used only as a linked factual reference; no worked example, threshold, calendar or table is reproduced or adapted · Accessed: August 3, 2026

    Open source

  • Importing small packet seed into Canada

    Canadian Food Inspection Agency

    Supports checking current seed and plant-health requirements before importing. Rules can differ by material, origin, destination and later updates.

    Editorial role: fact reference · Rights position: Government guidance linked and summarized under applicable Crown and open-government terms; no import service or requirements database is ingested · Accessed: August 3, 2026

    Open source

Use it in context

A month alone cannot resolve cultivar, soil, microclimate or a current extreme.

Use reputable planting material. Use clearly labelled, traceable seed or healthy transplants and check current CFIA, provincial, territorial and local movement or import requirements before ordering or carrying plants, seed, soil or growing media.

If a pest control product is considered at all, confirm current Health Canada registration, the crop and use on the complete label, plus any provincial, territorial or municipal restriction; the project does not prescribe a treatment.