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Sulphur Indian Paintbrush

Castilleja sulphurea

Sulphur Indian Paintbrush

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Plant facts

Mature height18-24"
Mature spread24"
Growth rateModerate
SunFull Sun to Part Shade (3 to 6+ hours Sun)
WaterModerate
USDA hardiness zone3
Flower colorYellow shades
Foliage colorLight Green

Good to know

Quick answers

How big does Sulphur Indian Paintbrush get?

About 18-24" tall and 24" wide at maturity.

How much sun does Sulphur Indian Paintbrush need?

Full Sun to Part Shade (3 to 6+ hours Sun).

How much water does Sulphur Indian Paintbrush need?

Moderate water use.

Will Sulphur Indian Paintbrush grow in Utah and the Intermountain West?

It is rated hardy to USDA zone 3, so it suits sites in zone 3 or warmer, which covers most of the region. The Salt Lake Valley floor is mostly zone 7; benches, mountain valleys and high plains in Utah, Idaho, Montana, Colorado and Wyoming are colder, often zones 3–6, so check the zone for your site.

Where can I buy Sulphur Indian Paintbrush in Utah?

Progressive Plants in Copperton, Utah carries it, but it is not available right now. You can join the waitlist to hear when it's back.

Can landscape contractors buy Sulphur Indian Paintbrush wholesale?

Yes. Landscape contractors and architects with a Progressive Plants wholesale account get trade pricing, bulk ordering and shipping across Utah, Idaho, Montana, Colorado, Wyoming and Nevada on our own trucks or by freight ($1,500 minimum outside our local delivery area). Apply at progressiveplants.com/wholesaleapp.html or call 801-565-7333.

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