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Baptisia australis - False Indigo

Baptisia australis
False Indigo, Blue Wild Indigo

4,1/5
10 reviews
5 reviews
4 reviews
1 reviews
1 reviews

Unfortunately for me, the young plants received are even smaller than the first time. Planting in the vegetable garden in association with artichokes. Waiting for them to take root and for the next flowering.

Nathalie, 16/03/2021

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This plant carries a 12 months recovery warranty

More information

Graden Merit
The False Southern Lupin, with clusters of deep blue flowers.
Height at maturity
1.50 m
Spread at maturity
50 cm
Exposure
Sun, Partial shade
Hardiness
Hardy down to -29°C
Soil moisture
Dry soil, Moist soil
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Recommended planting time February to April, September to November
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Flowering time July to August
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Description

This little-known close cousin of lupins in Europe has very robust stumps that allow it to live for a long time in our gardens, but it establishes slowly. This large perennial appreciates light and well-draining soils and tolerates summer drought. A true all-terrain plant, the indigo lupin loves full sun and blooms abundantly in late spring. It is highly appreciated by florists across the Channel for its stiff and long-lasting flowers.

Baptisia plants are close cousins of lupins, which are much better known in Europe, but they are much less demanding in terms of humidity, although they share a preference for acidic soils. Baptisia australis is a beautiful perennial with indigo blue flowers. Its bluish and highly graphic foliage combines perfectly with its blue flowers. Superb in a wild and sunny garden, alongside grasses, Eremurus himalaicus, and ornamental garlic bulbs.

Baptisia australis - False Indigo in pictures

Baptisia australis - False Indigo (Flowering) Flowering
Baptisia australis - False Indigo (Foliage) Foliage
Baptisia australis - False Indigo (Plant habit) Plant habit

Flowering

Flower colour blue
Flowering time July to August

Foliage

Foliage persistence Deciduous
Foliage colour medium green

Plant habit

Height at maturity 1.50 m
Spread at maturity 50 cm
Growth rate slow

Safety measures

Potential risks Plant may be toxic if swallowed

Botanical data

Genus

Baptisia

Species

australis

Family

Fabaceae

Other common names

False Indigo, Blue Wild Indigo

Origin

Cultivar or hybrid

Planting and care

The cultivation of Baptisia australis requires a bit of skill to succeed without any problems:

Not very tolerant of limestone soils, this tall perennial appreciates light and well-draining soils, but can tolerate summer drought.

In the first year of cultivation, the plant may seem to vegetate, which is normal. Young Baptisia plants have very slow growth, and their taproot is particularly fragile until it is deeply anchored in the soil. Make sure not to damage it during planting! Also, do not leave a young plant in its pot for too long; the taproot could bend when it reaches the bottom.
Possibly add a small handful of phosphatic fertilizer (it is a root stimulant) that you will mix with the soil at the time of planting. Add 1/3 sand and 1/3 gravel to heavy soil to ensure good drainage, which is essential. Water moderately in the first year.

In the second or third year, the plant will be established, will not require any special care, and will be able to flower profusely for many years!

Attention, voles also seem to be fond of its fleshy roots.

Planting period

Recommended planting time February to April, September to November

Intended location

Suitable for Meadow
Type of use Border
Hardiness Hardy down to -29°C (USDA zone 5) Show map
Ease of cultivation Experienced
Planting density 5 per m2
Exposure Sun, Partial shade
Soil pH Acidic, Neutral
Soil type Silty-loamy (rich and light), Stony (poor and well-drained)
Soil moisture Dry soil, Moist soil, light and deep

Care

Pruning instructions Cut the dry flower stalks down to the ground in late winter.
Pruning Pruning recommended once a year
Pruning time March to April
Overwinter Can be left in the ground
4,1/5

Spring flowering perennials

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