Oxalis triangularis
Oxalis triangularis
Oxalis triangularis
Oxalis triangularis
Oxalis triangularis
Oxalis triangularis
Oxalis triangularis
Oxalis triangularis
Oxalis triangularis
Oxalis triangularis
Oxalis triangularis
Oxalis triangularis
Oxalis triangularis
Oxalis triangularis

Oxalis triangularis

"Purple shamrock"

Oxalis triangularis

15 bulbs — £6.75

Order today, receive in April
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Delivery schedule

Orders placed before 1 March 2024
You can expect your order in March 2024

Orders placed 1 March - 15 April 2024
You can expect your order in March/April 2024

Orders placed 16 April - 15 May 2024
You can expect your order within 10 business days

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UK orders over £50
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UK orders under £50
£4.99

Northern Ireland orders under £50
£5.99

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Description

Often referred to as the purple shamrock, this beautiful and curious plant actually has nothing to do with Ireland—it comes from Brazil! Oxalis triangularis has stunning triangular, three-lobed leaves—each lobe like a pair of butterfly wings—in vivid purple-maroon and shades of wine-red. In summer, the leaves are accompanied by numerous small, trumpet-shaped pinkish or white blooms. These are attractive in their own right, but it’s the leaves that are the real stars of the show. Incidentally, the foliage has a photonastic response—in other words, the leaves open up during the day and close again at night!

Oxalis triangularis subsp. papilionacea may be grown to plant outdoors in summer pots, or a position at the front of the border. It is, however, a frost-tender plant: it might survive outdoors over winter in warm, sheltered gardens, but expect to give it some winter protection. Luckily, it does adapt very well to indoor conditions, and it can survive and indeed thrive, for many years as a long-lived houseplant.

Key features

  • Perfect for pots

  • Suitable for indoors

  • Comes back every year

  • Loved by pollinators

  • Thrives well in full sun

  • Great for shade

  • Packed in paper bags

  • Low maintenance

  • RHS Award (AGM)

  • May need winter cover

Specs & details

  • Botanical name

    Oxalis triangularis

  • Flower colour

    White

  • Bulb size

    1

  • Established height

    10-20cm

  • Established spread

    10-20cm

  • Plant spacing

    100 bulbs per m2

  • Leaf colour

    Purple

  • Habit

    Spreading

  • Life cycle

    Perennial

  • Hardiness

    Half hardy

  • Years to establish

    1st year

  • Sunlight

    Full sun
    Partial shade
    Dappled shade

  • Position

    Sheltered

  • Suitable for

    Indoors
    Pots
    Large containers
    Borders
    Gravel gardens
    Low maintenance gardens

  • Soil acidity

    Any

  • Soil moisture

    Free draining

  • Soil type

    Loam
    Sandy
    Stony
    Multipurpose compost

  • RHS Award (AGM)

    Yes

  • Growing skill

    Easy to grow

  • Scented

    No

  • Pollinator-friendly

    No

  • Mouse resistant

    No

  • Rabbit resistant

    No

  • Deer resistant

    No

  • Toxicity

    No report

Useful information

  • Orders placed before 1 March 2024
    You can expect your order in March 2024

    Orders placed 1 March - 15 April 2024
    You can expect your order in April 2024

    Orders placed 16 April - 15 May 2024
    You can expect your order within 10 business days

Oxalis triangularis in 60 seconds

Oxalis triangularis may be grown to plant outdoors in summer pots, or a position at the front of the border. It is, however, a frost-tender plant: it might survive outdoors over winter in warm, sheltered gardens, but expect to give it some winter protection.

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