White Lupin - A Majestic Perennial for the Garden

White lupins form tall, pale spires in cool Australian gardens. Learn which kinds suit your district, how to look after them and what to know about the seeds.

Cream-white spires

White lupin spikes stand upright in early summer like candles, with a faint cream or green blush in the bud. In a mixed border they link blue and pink flowers, and in a white scheme they give height. Classic Russell hybrids sold as 'Noble Maiden' are the best-known white.

Making the most of a white lupin

  • Plant against a dark hedge or fence, which shows the pale flowers to best effect.
  • Set plants 50 cm apart to give them airflow, and so reduce powdery mildew.
  • Water in dry spells, as lupins have deep roots but struggle in heatwaves.
  • Remove spent spikes before the pods form, unless you want to collect seed.
  • Replace plants every three or four years, since older plants decline.

Climate and timing

Lupins fit best in the cool south and tablelands, where flowering starts in October and runs into December. In Canberra, they can be planted as small plants in autumn so they establish before winter. Gardeners in warm humid regions often find them short-lived and should consider delphiniums or foxgloves as alternatives for a similar look.

What to know about seeds

Lupin pods hold hard seeds that are toxic to people and animals. Cut the spikes before the pods ripen, and wash your hands after handling them. If a child has swallowed seeds, call the Poisons Information Line on 13 11 26. For animals, speak to a vet.

Quick facts – Lupin – White

Colour
white
Latin name
Lupinus polyphyllus
Type
garden perennial
Light
full sun
Water
moderate
Height
60-120 cm
Vase life
5-7 days
Scent
mild
Toxic to Pets
yes
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FAQ about Lupin – White

Do white lupins exist?
Yes. Several seed strains and named cultivars of Lupinus polyphyllus have pure white flowers.
Are white lupins good cut flowers?
They can be used cut, but the spikes shed flowers from the base as they age, so they suit short-term displays.
Do white lupins spread by seed?
They can. Removing flower spikes before pods ripen prevents self-seeding.
Is a white lupin plant toxic?
Garden lupins contain toxic alkaloids, especially in seeds. Keep pods away from children and animals.

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