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Reinwardtia indica (Yellow flax)

Advanced
skill rating
2 hours care
per year
0.9m
Max height
0.9m
Max spread
5-10 years
To maturity

Plant details

Botanical name

Reinwardtia indica

Other names

Yellow flax, Winter flax, Reinwardtia trigyna, Reinwardtia tetragyna, Linum trigynum

Genus

Reinwardtia Reinwardtia

Species

R. indica - R. indica is a frost tender, compact, open, erect to spreading, evergreen shrub with elliptic to oblong, finely toothed, grey-green to dark green leaves and funnel-shaped, golden-yellow flowers from autumn to late spring.


Reinwardtia indica is: Evergreen

Habit

Open stems, Erect, Spreading

Flower

Golden-yellow in Spring; Golden-yellow in Autumn; Golden-yellow in Winter

Foliage

Dark-green in All seasons

How to care

Watch out for

Pests

Generally pest-free.

Specific pests

Red spider mite (box and other) Red spider mite (box and other)

Diseases

Generally disease-free.

General care

Pruning

Pruning group 8. Pinch out tips of young plants to promote branching.

Propagation

Sow seed at 16-18C (61-64F) in spring.

Propagation methods

Softwood cuttings, Seed


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Where to grow

Reinwardtia indica (Yellow flax) will reach a height of 0.9m and a spread of 0.9m after 5-10 years.

Suggested uses

Wallside and trellises, Sub-Tropical, Greenhouse, Containers, Conservatory, City, Beds and borders

Cultivation

In frost-free areas, grow in fertile, humus-rich, moist but well-drained, preferably neutral soil in full sun. Water regularly in dry periods. Under glass, grow in loam-based or loam-less compost in moderate humidity and full light with shade from hot sun. Mist regularly, water freely, and feed monthly when in growth.

Soil type

Chalky, Loamy, Sandy

Soil drainage

Moist but well-drained

Soil pH

Neutral

Light

Full Sun

Aspect

South, West

Exposure

Sheltered

UK hardiness Note: We are working to update our ratings. Thanks for your patience.

Tender in frost (H3), Indoor heated (H1)

Companion plants

We do not currently have companion plants added for this plant.

Botanical name

Reinwardtia indica

Other names

Yellow flax, Winter flax, Reinwardtia trigyna, Reinwardtia tetragyna, Linum trigynum

Genus

Reinwardtia Reinwardtia

Species

R. indica - R. indica is a frost tender, compact, open, erect to spreading, evergreen shrub with elliptic to oblong, finely toothed, grey-green to dark green leaves and funnel-shaped, golden-yellow flowers from autumn to late spring.

Native to

China, Southeastern Asia, Southern Asia

Foliage

Evergreen

Habit

Open stems, Erect, Spreading


Colour

Flower

Golden-yellow in Spring; Golden-yellow in Autumn; Golden-yellow in Winter

Foliage

Dark-green in All seasons


How to care

Watch out for

Pests

Generally pest-free.

Specific pests

Red spider mite (box and other)

Diseases

Generally disease-free.

General care

Pruning

Pruning group 8. Pinch out tips of young plants to promote branching.

Propagation

Sow seed at 16-18C (61-64F) in spring.

Propagation methods

Softwood cuttings, Seed


Monthly care advice


Where to grow

Reinwardtia indica (Yellow flax) will reach a height of 0.9m and a spread of 0.9m after 5-10 years.

Suggested uses

Wallside and trellises, Sub-Tropical, Greenhouse, Containers, Conservatory, City, Beds and borders

Cultivation

In frost-free areas, grow in fertile, humus-rich, moist but well-drained, preferably neutral soil in full sun. Water regularly in dry periods. Under glass, grow in loam-based or loam-less compost in moderate humidity and full light with shade from hot sun. Mist regularly, water freely, and feed monthly when in growth.

Soil type

Chalky, Loamy, Sandy

Soil drainage

Moist but well-drained

Soil pH

Neutral

Light

Full Sun

Aspect

South, West

Exposure

Sheltered

UK hardiness Note: We are working to update our ratings. Thanks for your patience.

Tender in frost (H3), Indoor heated (H1)

USDA zones

Zone 11, Zone 10, Zone 9

Defra's Risk register #1

Plant name

Reinwardtia indica (Yellow flax)

Common pest name

grape ground pearl

Scientific pest name

Margarodes vitis

Type

Insect

Current status in UK

Absent

Likelihood to spread to UK (1 is very low - 5 is very high)

2

Impact (1 is very low - 5 is very high)

5

General biosecurity comments

Main pathway; Vitis spp. plants for planting; already prohibited. However; further consideration of other pathways is required.

About this section

Our plants are under greater threat than ever before. There is increasing movement of plants and other material traded from an increasing variety of sources. This increases the chances of exotic pests arriving with imported goods and travellers, as well as by natural means. Shoot is working with Defra to help members to do their part in preventing the introduction and spread of invasive risks.

Traveling or importing plants? Please read "Don't risk it" advice here

Suspected outbreak? Click here for contact details to report to the relevant authority.

Date updated: 7th March 2019 For more information visit: https://planthealthportal.defra.gov.uk/

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This plant likes... Garden match
Soil types: Chalky, Loamy, Sandy Tell us...
Soil drainage: Moist but well-drained Tell us...
Soil pH: Neutral Tell us...
Light: Full Sun Tell us...
Aspect: South, West Tell us...
Exposure: Sheltered Tell us...
Hardiness: Tender in frost (H3), Indoor heated (H1) Tell us...

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