Oregano Vulgare

📦 Sowing: In Trays vs. Direct

Starting oregano from seed is simple, but those tiny seeds do need a little TLC. For most Aussie gardeners, starting in trays is the way to go.

Starting in Trays (Best Method)

Sow oregano seed on the surface of a fine seed-raising mix—don’t cover them, as they need light to germinate. Gently press them down and mist with water. Keep the tray in a warm, bright spot, but out of direct hot sun. A heat mat can help in cooler areas. Germination usually takes 7–14 days.

Once seedlings have 2–4 true leaves, they’re ready to move into the garden or a larger pot. Just take care when handling—oregano seedlings are small and delicate.

Direct Sowing (Not Ideal)

You can sow directly into the garden, but only if your soil is fine-textured, warm, and weed-free. Because oregano seeds are tiny, they can easily get lost or buried too deep. If you do give this a go, sow very shallowly in rows, water gently, and keep the area moist while they sprout. Thin seedlings once they’re up to allow space for airflow and growth.

---

🪴 Soil & Position

Soil:

• Free-draining, sandy or loamy soil is ideal
• pH: Neutral to slightly alkaline (6.5–7.5)
• Enrich with compost if soil is heavy, but don’t overdo it—too much fertility can reduce the essential oils that give oregano its strong flavour

Position:

• Full sun (at least 6 hours a day)
• Loves warmth and airflow
• Perfect for rockeries, raised beds, containers or edging herb gardens

---

🌿 Care & Maintenance

Task	Tips
Watering	Once established, oregano is drought-tolerant. Water deeply but infrequently. Allow topsoil to dry out between waterings. Avoid overwatering—root rot is a risk.
Feeding	Not heavy feeders. Light compost top-up or a mild liquid seaweed feed during the growing season is enough. Avoid high-nitrogen fertilisers.
Pruning	Regular harvesting or light trimming keeps it bushy and prevents legginess. Cut back by a third after flowering to encourage new growth.
Mulching	Mulch lightly with straw or sugarcane to suppress weeds and retain soil warmth—but avoid piling mulch around the stems.
Pests & Diseases	Generally pest-free, but watch for fungal issues in humid or overwatered conditions.

---

🌼 Companion Planting Guide

Oregano is a great team player in the garden!

Good Companions:

• Brassicas (broccoli, cabbage): Oregano’s strong scent helps repel cabbage moths
• Tomatoes: Attracts beneficial insects and improves flavour
• Beans: Acts as a natural insect deterrent
• Capsicum & Eggplant: Similar growing needs and benefit from oregano’s pest-repelling qualities

Avoid Planting With:

• No major incompatibilities, but avoid planting too close to moisture-loving herbs like basil or coriander, which prefer wetter conditions.

---

✂️ Harvesting Oregano

• Begin harvesting once the plant is about 10–15 cm tall and well-established (usually 8–10 weeks after sowing).
• Use sharp scissors or snips to cut stems just above a leaf pair—this encourages bushier growth.
• For the most intense flavour, harvest in the morning after dew has dried, just before flowering.
• Fresh leaves can be used immediately, or dried in bunches in a warm, dry, well-ventilated place and stored in airtight jars.

---

🐛 Common Issues & Fixes

Problem	Symptoms	Likely Cause	Fix
Poor Germination	Sparse or no seedlings	Light needed for germination	Surface sow, don’t cover; keep moist with misting
Leggy Seedlings	Tall, spindly, weak stems	Not enough light	Move to a sunnier position or use grow lights
Yellowing Leaves	Older leaves turning yellow	Overwatering or poor drainage	Let soil dry out, improve drainage
Wilting or Root Rot	Droopy plants, blackened roots	Too much moisture	Water less frequently; ensure well-drained soil
Powdery Mildew	White powder on leaves	High humidity, poor airflow	Thin out plants, avoid overhead watering, treat with organic fungicide

---

🌸 Seed Saving Guide

Oregano is a short-lived perennial that will happily self-seed if left to flower, but saving seed yourself ensures strong, flavourful plants for seasons to come.

How to Save Seeds:

1. Allow Flowering – Let the plant bolt and flower. Pollinators love oregano, so it’ll be buzzing with bees!
2. Wait for Drying – When flower heads dry and turn brown, snip off the whole head.
3. Dry Thoroughly – Hang or lay flat in a dry, well-ventilated space for a week or two.
4. Collect Seeds – Gently crumble the flower heads over a tray or bowl. Use a fine sieve to separate seed from chaff.
5. Store – Keep seeds in a paper envelope or airtight jar in a cool, dark place. Label with date and variety. Viable for up to 3–4 years.

Tip: Harvest seed from the healthiest, most vigorous plants for the best traits.

---

🌿 Final Thoughts

Oregano is one of those dependable, tough-as-nails herbs that brings loads of value to the garden. Once it’s settled in, it just keeps on giving—flavour, pollinators, and pest control alike. Whether you’re sprinkling it on pizzas or letting it bloom in a bee-friendly border, oregano earns its place.

Start it in trays for better success, give it sunshine and a light touch with watering, and it’ll reward you season after season. 🌞

---

---