Repotting guide

When & how to repot Pot Marjoram (Origanum onites)

Also called pot marjoram, French marjoram, Turkish marjoram.

More about pot marjoram

About Pot Marjoram

Origanum onites · also called pot marjoram, French marjoram · herb

Pot marjoram is a hardy, semi-woody Mediterranean perennial with a flavor between sweet marjoram and oregano, hardier and more robust than sweet marjoram. It forms low, bushy mounds of small aromatic leaves topped by pink-white summer flowers. It thrives in full sun and sharp drainage and tolerates drought and poor soil.

Mature size: 30-45 cm tall and 30-45 cm wide.

Watch for — Root rot from overwatering: Wet, poorly drained soil quickly rots the roots. Plant in gritty, free-draining soil, water sparingly, and ensure winter drainage in cold-wet climates.

How to tell pot marjoram needs repotting

Repotting on a calendar is less reliable than reading the plant. For pot marjoram, watch for these signs:

Roots growing out of the drainage holes, or the rootball lifting the plant proud of the rim.
Soil that has shrunk away from the pot sides and no longer holds water.
The pot is unstable because the plant has grown top-heavy.
Old, compacted, broken-down mix that stays wet too long — for a succulent that is a rot risk, so refresh it even if the pot size is fine.

For the underlying biology of a pot-bound root system and why it stalls a plant, see our guide to spotting and fixing a root-bound plant.

How often to repot pot marjoram

Every 2–3 years, into bone-dry mix. Pot Marjoram's growth habit — low, bushy, semi-evergreen sub-shrub forming a dense mound of small oval grey-green leaves, with clusters of tiny pink-white flowers on upright stems in summer. — sets the pace. Pot marjoram is a hardy, semi-woody Mediterranean perennial with a flavor between sweet marjoram and oregano, hardier and more robust than sweet marjoram. It forms low, bushy mounds of small aromatic leaves topped by pink-white summer flowers. It thrives in full sun and sharp drainage and tolerates drought and poor soil.

What size pot to step pot marjoram up to

Use a pot only one size up — or even the same pot with fresh gritty mix if the roots have room. Pot Marjoram stores water and rots in a large pot of slow-drying soil. A tight terracotta pot that dries fast is far safer than a generous plastic one. Never up-pot a succulent by several sizes.

Not sure of the exact diameter? Our pot size calculator takes the current pot and root spread and tells you the right next size — it deliberately recommends a single step up, never a big jump.

The best time of year to repot pot marjoram

Spring or summer, while pot marjoram is in active growth and warm, is best — roots recover fastest then, and the plant is not sitting in cool damp soil. Avoid repotting a succulent in winter dormancy.

Step-by-step: repotting pot marjoram

Repot dry. Do not water pot marjoram for several days first. Working with dry roots and dry mix dramatically lowers the rot risk for a succulent.
Pick a snug, fast-draining pot. Choose terracotta one size up at most, with a drainage hole. Have gritty light, free-draining, neutral to alkaline soil, ph 6.5-8.0 ready.
Tip it out and clean the roots. Slide the plant out, crumble off the old soil, and trim any black, mushy or dead roots with clean snips.
Pot into dry mix. Set pot marjoram at its original depth in dry gritty mix, firming gently. Do not bury the stem deeper than it was.
Wait a week before watering. Leave it completely dry and out of harsh sun for about 7 days so any damaged roots callus. Only then water lightly.

Aftercare

Keep pot marjoram completely dry and out of fierce sun for about a week so any nicked roots callus before they meet moisture; watering a freshly repotted succulent is the classic way to rot it. Then resume the normal lean, dry rhythm. Do not fertilise for about 3 weeks — fresh mix already carries nutrients and feeding freshly disturbed roots scorches them.

The right soil mix for pot marjoram

Pot Marjoram wants light, free-draining, neutral to alkaline soil, ph 6.5-8.0. Prefers lean, gritty, well-drained soil and resents wet, heavy ground. Add grit to clay; poor soils intensify the fragrance. Always use fresh mix when you repot — reusing old, broken-down soil reintroduces the compaction and poor drainage you are repotting to fix.

Repotting pot marjoram — frequently asked questions

How often should you repot pot marjoram?

Every 2–3 years, into bone-dry mix for pot marjoram. Repot pot marjoram every 2–3 years into a snug pot of light, free-draining, neutral to alkaline soil, ph 6.5-8.0, ideally in spring or summer. Let it sit in dry soil and do not water for about a week afterwards so any nicked roots can callus. Over-potting and watering straight away is what rots succulents.

What size pot does pot marjoram need?

When is the best time of year to repot pot marjoram?

Should you water pot marjoram after repotting?

No — not straight away. Repot pot marjoram into dry mix and wait about a week before the first watering so any damaged roots callus over. Watering a freshly repotted succulent is the single most common way to rot one.

Should you fertilise pot marjoram after repotting?

Not immediately. Wait about 3 weeks after repotting pot marjoram. Fresh mix already contains nutrients, and feeding freshly cut or disturbed roots burns them. Resume your normal feeding routine once you see new growth.