Rosemary plants in a field row

Planting timing

When to plant rosemary

Plant rosemary on the cited sheets — not on a national calendar month. Start methods stay source-specific.

Save this bed — freeHow we know

Growing guidance is general information. Timing, spacing, and care depend on cultivar, weather, soil, and local conditions. Check the sources and adjust the plan for your garden.

Dates stay on the named cards below — not one planting window.

Rosemary plants in a home garden bed

Evergreen and container notes live on the rosemary hub. Timing stays on the cited sheets.

Evergreen and container notes live on how to grow rosemary.

What the sources say — at a glance

One source per card. Facts are not averaged.

Illinois Extension (Illinois)

Stem cuttings. Seed germinates very slowly.

Details and limits (2)
  • When

    Illinois Extension (Illinois): rosemary can be grown from seed; it is propagated from stem cuttings. Seed germinates very slowly. Start method.

  • Limit

    Illinois herbs rosemary page. Start method only — not harvest.

Maryland Extension (Maryland)

Cuttings or seed. Seed can be slow to germinate.

Details and limits (2)
  • When

    Maryland Extension (Maryland): it can be propagated by cuttings or grown from seed (can be slow to germinate). Start method.

  • Limit

    Maryland rosemary page. Start method only — not harvest.

Sources differ

Start method stays comparison only: Illinois stem cuttings, seed germinates very slowly; Maryland cuttings or seed, seed can be slow to germinate. Not one BioArva calendar and not a ZIP tool.

Make it yours

Save the bed in the Field Book so next season is not a guess.

Save this bed — free

Verified suppliers only

No supplier on this page

When a partner is listed, it will be outbound and disclosed. Nothing to buy here. Fertilizer, soils, and pesticides stay off this slot.

How we verify suppliers

What to record in the Field Book

Save the bed with the crop and the date. You may add a photo and notes. Compare entries you have recorded with each other — not with a diagnosis from this page. If you want an identification, bring the record to local Extension.

How we know — methodology. Ranges and assertions are cited per source, not blended.