When to plant oregano?
- Botanical name
- Origanum vulgare
- Family
- Lamiaceae
Oregano is planted from May to June. It is harvested from April to October. It is cut back from May to June.
Oregano is a perennial plant. The edible parts are the leaves and flowers.
Oregano through the year
- planting
- harvest
- cutting back
In short
The last frost is not on the same day everywhere, so the recorded weeks are a guide and not a date.
Growing conditions
Pests and diseases
Listed here is every problem for which the sources name this plant as a host. The problems are not listed in order of how common they are.
Sage and ligurian leafhopper
pest- Signs
- Over the upper side of the leaves there is a coarse pale speckling, and on the underside small animals that jump away quickly. By the end of summer the leaf can be heavily mottled, while the growth of the plant is hardly affected. The affected herbs are perfectly safe to eat.
- Prevention
- It overwinters as an egg on the plant itself and is active from May into autumn, so cleared old wood and foliage at the end of the season helps. Encourage birds, ladybirds, parasitic wasps and ground beetles.
- What to do
- No spray is needed: the pest does not affect the growth or the vigour of the plant, so the right answer is to put up with it. If the look bothers you, cut back the most mottled shoots, because the new growth comes clean.
Mint rust
disease- Signs
- In spring the shoots are pale and distorted. On the stems and leaves there are dusty orange pustules, followed by yellow and then black ones. Large areas of leaf tissue die and the plant sheds its leaves.
- Prevention
- The fungus overwinters in the rhizome and in resting spores in the soil, so healthy planting material is everything. Move new shoots to another spot, away from infected rhizomes, and do not propagate from an affected plant. An airy spacing and cleared fallen leaves lower the pressure.
- What to do
- For edible herbs there are no fungicides against this. Remove affected plants before the spores develop and destroy infected rhizomes. The rhizomes of healthy plants can be disinfected in a hot water bath (44 °C, ten minutes).
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Related plants
The plants below are in the same botanical family (Lamiaceae).
Sources about the plant: ASPCA Toxic and Non-Toxic Plants, GBIF Backbone Taxonomy, NC State Extension Plant Toolbox, Penn State Extension, Royal Horticultural Society, University of Georgia Extension, Wikidata. Checked between 14 and 28 August 2026. The problem descriptions also draw on: EPPO Global Database.