Baptisia 'Dusty Purple'
Baptisia 'Dusty Purple'
Baptisia 'Dusty Purple'
Baptisia 'Dusty Purple'

Baptisia 'Dusty Purple'

"False indigo"

Baptisia 'Dusty Purple'

1 bare root — £7.90

Spring planting season is currently closed 
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Delivery schedule

Orders placed until 29 February 2027
You can expect your order in February/March 2027

Orders placed 1 March - 15 April 2027
You can expect your order in March/April 2027

Orders placed 16 April - 15 May 2027
You can expect your order within 10 business days

Available for (pre)ordering again in December
Free delivery on UK orders over £50
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on orders under £50

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Description

Baptisia 'Dusty Purple', commonly known as false indigo, is a showy addition to UK gardens, offering long, upright stems adorned with dusty purple pea-like flowers. Each spike bursts into bloom in late spring, creating a soft, smoky haze of colour that dances above the blue-green foliage. Baptisia 'Dusty Purple' isn’t just about flowers—it also provides architectural interest, with its stately, erect habit giving height and form to borders or cottage-style plantings. As the season progresses, the blossoms give way to decorative seed pods, adding texture and subtle autumnal interest that carries the plant’s charm beyond summer.

This hardy perennial thrives in sunny or partially shaded spots with well-drained soil, making Baptisia australis 'Dusty Purple' relatively low-maintenance once established. Its dusty purple flowers pair beautifully with soft whites, yellows, and silvery foliage, and it works equally well in informal borders, mixed perennial beds, or as a striking accent in larger containers. The pea-like flowers are a magnet for pollinators, so Baptisia 'Dusty Purple' isn’t just a treat for the eyes—it supports bees and butterflies too. With its combination of architectural grace, long-lasting blooms, and subtle smoky hues, Baptisia 'Dusty Purple' ensures UK gardens enjoy colour, structure, and a touch of perennial sophistication from late spring through to early summer.

Baptisia is called false indigo because its blue dye once mimicked true indigo—tricking traders and tinting fabrics on a budget.

Key features

  • Good for cutting

  • Comes back every year

  • Attractive to wildlife

  • Loved by pollinators

  • Thrives well in full sun

  • In peat-free compost

  • RHS Award (AGM)

  • Fully hardy

  • Rodent resistant

Specs & details

  • Botanical name

    Baptisia australis 'Dusty Purple'

  • Flower colour

    Dusty purple

  • Plant size

    1

  • Established height

    1-1.2m

  • Established spread

    50cm-1m

  • Plant spacing

    4 plants per m2

  • Leaf colour

    Green

  • Habit

    Upright
    Clump-forming

  • Life cycle

    Perennial

  • Hardiness

    Fully hardy

  • Years to establish

    2-3 years

  • Sunlight

    Full sun
    Partial shade

  • Position

    Sheltered

  • Suitable for

    Borders
    Cottage gardens
    Cut flower Gardens
    Woodland gardens
    Wildlife gardens

  • Soil acidity

    Any

  • Soil moisture

    Damp
    Free draining

  • Soil type

    Clay
    Loam
    Multipurpose compost

  • RHS Award (AGM)

    No
    Yes

  • Growing skill

    Easy to grow

  • Scented

    No

  • Pollinator-friendly

    Yes

  • Mouse resistant

    Yes

  • Rabbit resistant

    Yes

  • Deer resistant

    Yes

  • Toxicity

    Skin/eyes irritant
    Toxic if eaten

  • Squirrel resistant

    Yes

Plant calendar

JanFebMarAprMayJuneJulyAugSepOctNovDec
  • Planting
  • Flowering

Useful information

    • Soak the Baptisia 'Dusty Purple' roots in water for 3-6 hours prior to planting

    • Plant your "False indigo" bare roots into temporary pots with a multipurpose compost within a week of delivery and grow-on in a sheltered spot outdoors

    • Choose a pot which comfortably fits the bare roots. Some have a noticeable crown which should be just below the soil surface with any top growth exposed. Some varieties are a length of root which should be planted lengthways and shallowly (1-2cm deep).

    • Plant out into borders or permanent containers in late spring or early summer once in full growth. Choose a position in sun or shade depending on the variety.

    Read all planting & care instructions

  • Orders placed until 29 February 2027
    You can expect your order in February/March 2027

    Orders placed 1 March - 15 April 2027
    You can expect your order in March/April 2027

    Orders placed 16 April - 15 May 2027
    You can expect your order within 10 business days

Perennials in 1 minute

The beauty of perennial plants doesn’t just lie in their long-lasting flowers and sturdy, resilient nature, but it’s their sheer determination to keep on coming back stronger every year —in year one they’re good, but in future years they’re even better!

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