Repotting guide

When & how to repot White Nancy Dead Nettle (Lamium maculatum 'White Nancy')

Also called White Nancy Dead Nettle, White Nancy Spotted Dead Nettle, White Nancy Lamium.

More about white nancy dead nettle

About White Nancy Dead Nettle

Lamium maculatum 'White Nancy' · also called White Nancy Dead Nettle, White Nancy Spotted Dead Nettle · flowering

A low-growing, semi-evergreen perennial ground cover prized for its almost entirely silver-white leaves with a thin green margin and white spring flowers. Thrives in part to full shade in average, well-drained soil. Drought-tolerant once established; shear after flowering to tidy and promote reblooming. Hardy in USDA zones 3–8.

Mature size: 15–20 cm tall (6–8 in); spreads 60–90 cm (24–36 in) wide

How to tell white nancy dead nettle needs repotting

Repotting on a calendar is less reliable than reading the plant. For white nancy dead nettle, watch for these signs:

Roots spiralling thickly out of the drainage holes or pushing the whole plant up out of the pot.
The pot is so packed that water runs straight through in seconds and barely wets the soil.
It has split a plastic pot, or the rootball is a solid mass with almost no soil left when you slide it out.
Growth and (for white nancy dead nettle) flowering have clearly stalled despite good light and feeding — but remember this plant likes being snug, so a little crowding alone is not a reason to repot.

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 white nancy dead nettle

Only every 2–4 years, when genuinely crowded. White Nancy Dead Nettle is one of the plants that genuinely prefers a snug pot — it grows and flowers better with its roots a little restricted, so resist the urge to repot it on schedule. Mat-forming, prostrate, semi-evergreen perennial ground cover spreading by stolons.

What size pot to step white nancy dead nettle up to

Go up only one pot size — roughly 2–3 cm (about an inch) wider in diameter, no more. White Nancy Dead Nettle positively prefers a snug pot: it flowers and grows better when the roots are a little restricted. The single biggest repotting mistake here is over-potting — dropping white nancy dead nettle into a pot two or three sizes up. All that surplus soil holds water the small root system cannot use, stays cold and wet, and rots the roots within weeks. When in doubt, choose the smaller pot.

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 white nancy dead nettle

Early spring, just as new growth restarts, is the ideal window for white nancy dead nettle. The plant is moving into its strongest growth phase and re-roots into fresh soil quickly. Avoid repotting in winter dormancy or, for flowering plants, while it is in bud or bloom — recovery is slowest then and you risk dropping the flowers.

Step-by-step: repotting white nancy dead nettle

Confirm it actually needs it. Slide white nancy dead nettle out and check the roots. Only continue if it is genuinely packed — this plant prefers a snug pot, so if there is still soil and room, put it straight back.
Pick a pot only one size up. Choose a pot just 2–3 cm wider with good drainage. Resist anything bigger; over-potting is the main killer here.
Ease it out gently. Water lightly the day before, then tip white nancy dead nettle out, supporting the base. Tease the outer roots free only enough to stop them circling.
Repot at the same depth. Add a layer of fresh average to humus-rich, well-drained loam, set the plant so the soil line sits exactly where it did before, and backfill around the sides, firming lightly.
Settle it in. Water once to settle the soil, then let it sit. Hold off on more water until the top of the soil dries — fresh soil around a small root system stays wet for a while.

Aftercare

Because the new soil holds more water than the old crammed rootball did, ease right back on watering — let the top of the soil dry before you water white nancy dead nettle again, or you will rot the roots in the very pot you just moved it to. Keep it out of harsh direct sun for a fortnight. Do not fertilise for about 4 weeks — fresh mix already carries nutrients and feeding freshly disturbed roots scorches them.

The right soil mix for white nancy dead nettle

White Nancy Dead Nettle wants average to humus-rich, well-drained loam. Tolerates a range of soil types including clay and sandy soils. Prefers a pH of 6.0–7.0. Amend heavy clay with compost to improve drainage; dislikes persistently boggy or compacted conditions. Always use fresh mix when you repot — reusing old, broken-down soil reintroduces the compaction and poor drainage you are repotting to fix.

Repotting white nancy dead nettle — frequently asked questions

How often should you repot white nancy dead nettle?

Only every 2–4 years, when genuinely crowded for white nancy dead nettle. Only repot white nancy dead nettle every 2–4 years, and only when it is genuinely root-bound — it flowers and grows best slightly crowded. Step up just one pot size in spring using average to humus-rich, well-drained loam. The key mistake is over-potting: a too-big pot stays wet and rots the roots.

What size pot does white nancy dead nettle need?

When is the best time of year to repot white nancy dead nettle?

Does white nancy dead nettle like to be root-bound?

Yes — white nancy dead nettle genuinely flowers and grows best when slightly pot-bound, so do not rush to repot it. The mistake to avoid is over-potting into a much larger pot: the excess soil stays wet, the roots cannot use it, and the plant rots. Only repot every few years and only one snug size up.

Should you fertilise white nancy dead nettle after repotting?

Not immediately. Wait about 4 weeks after repotting white nancy dead nettle. Fresh mix already contains nutrients, and feeding freshly cut or disturbed roots burns them. Resume your normal feeding routine once you see new growth.