Repotting guide

When & how to repot Farewell-to-spring (Clarkia amoena)

Also called Farewell-to-spring, Herald of summer, Summer's darling, Godetia.

More about farewell-to-spring

About Farewell-to-spring

Clarkia amoena · also called Farewell-to-spring, Herald of summer · flowering

Farewell-to-spring is a fast-growing Californian native annual that puts on a dazzling summer display of satiny cup-shaped flowers in shades of pink, lavender, red, and white, often with contrasting central zones. It blooms as warm weather arrives and tolerates cool nights, thriving in poor, well-drained soil with minimal care.

Mature size: 30–75 cm tall, 20–30 cm wide

Watch for — Transplant failure: Clarkia has a sensitive taproot and resents disturbance. Direct sow into final position whenever possible; if starting indoors use biodegradable pots to avoid root disruption.

How to tell farewell-to-spring needs repotting

Repotting on a calendar is less reliable than reading the plant. For farewell-to-spring, watch for these signs:

Roots circling the bottom of the module or pot, or poking out of the drainage holes.
The seedling dries out within a day and growth has visibly stalled.
Roots are white and matted in a tight spiral when you tip the plant out.
It has outgrown its current container for the stage of the season — pot farewell-to-spring on before it becomes hard root-bound.

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 farewell-to-spring

Pot on seedlings as they grow; not a perennial repot. Farewell-to-springis grown for one season, so the question is really “how often to pot on” — keep moving it up before the roots circle. Upright to slightly sprawling annual with lance-shaped mid-green leaves.

What size pot to step farewell-to-spring up to

Pot farewell-to-spring on gradually — a seedling jumped straight into a huge pot sits in cold, wet, airless soil and stalls. Step up one or two sizes at a time as the roots fill each container, finishing in a large final pot or the ground. The aim is roots that never circle and never check.

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 farewell-to-spring

Pot farewell-to-spring on through the active growing season, whenever roots fill the current container — there is no single date, just "before it becomes root-bound". Avoid potting on during a cold snap.

Step-by-step: repotting farewell-to-spring

Pot on before it is root-bound. Check farewell-to-spring regularly; move it up as soon as roots reach the edge of the cell or pot, not after they have circled.
Step up one or two sizes. Choose the next container up — not a giant one. Cold, wet, unused soil around a small root system stalls seedlings.
Knock it out gently. Support the stem, tip the pot, and ease the rootball out without breaking it. A little teasing of circled roots at the base is fine.
Pot into rich mix. Set it into fresh well-drained, sandy to loamy, poor to moderately fertile, ph 6.0–7.0 at the same depth (tomatoes are the exception — they can go deeper to root along the stem).
Water in and grow on. Water well, keep it in good light, and resume feeding once it is established and growing again.

Aftercare

Water farewell-to-spring in well and keep it in bright light; a freshly potted-on seedling can wilt for a day while roots settle, so do not overcompensate by drowning it. Do not fertilise for about 1 week — fresh mix already carries nutrients and feeding freshly disturbed roots scorches them.

The right soil mix for farewell-to-spring

Farewell-to-spring wants well-drained, sandy to loamy, poor to moderately fertile, ph 6.0–7.0. Naturally grows in lean, dry Californian hillside soils. Rich soil leads to excessive leaf growth and reduced flowering. Avoid heavy clay. No amendment with fertiliser at planting is necessary in most soils. Always use fresh mix when you repot — reusing old, broken-down soil reintroduces the compaction and poor drainage you are repotting to fix.

Repotting farewell-to-spring — frequently asked questions

How often should you repot farewell-to-spring?

Pot on seedlings as they grow; not a perennial repot for farewell-to-spring. Farewell-to-spring is a seasonal crop, so you pot it on as a growing plant rather than repotting a perennial. Step seedlings up gradually into well-drained, sandy to loamy, poor to moderately fertile, ph 6.0–7.0 so the roots never circle the cell, ending in a large final container. A root-bound transplant stalls and never fully recovers.

What size pot does farewell-to-spring need?

When is the best time of year to repot farewell-to-spring?

Can you put farewell-to-spring straight into a much bigger pot?

No. Even a fast-growing farewell-to-spring should only go up one pot size at a time. A vastly oversized pot holds a reservoir of wet soil the roots cannot reach, which stays cold and soggy and rots the roots — the opposite of what you wanted.

Should you fertilise farewell-to-spring after repotting?

Not immediately. Wait about 1 week after repotting farewell-to-spring. Fresh mix already contains nutrients, and feeding freshly cut or disturbed roots burns them. Resume your normal feeding routine once you see new growth.