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Plant guide

Cross-leaved heath.

Erica tetralix

Pronounced EH-rih-kuh teh-TRAH-liks

Also known as Bog Heather, Cross-leaved Heath, Crossleaf Heath

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Cross-leaved Heath
Photo by Sigitas Juzėnas (CC BY) via iNaturalist

This lovely little shrub is native to damp heaths and bogs across Europe. It features charming clusters of bell shaped flowers that hang gracefully from its stems. You will find it thrives best in moist, acidic soil conditions.

At a glance

Care level
Moderate
Plant type
Evergreen shrub
Light
Full sun to partial shade
Indoor light
Direct sun
Water
Every 3 to 7 days
Mature size
1 to 2 feet
Growth rate
Slow
Hardiness
USDA 4 to 8
Bloom time
Mid summer to early autumn

Care

Keep the soil consistently moist to mimic its natural boggy habitat. Watch for wilting or browning leaves, which often signal that the plant has dried out too much. Ensure the soil remains acidic to keep the plant happy and healthy.

Watering
Keep the soil damp at all times, never allowing it to dry out completely.
Feeding
Apply a slow release ericaceous fertilizer once in the early spring.
Pruning
Trim back lightly after flowering to maintain a compact shape.
Repotting
Repot only when the plant has clearly outgrown its container, using an acidic potting mix.
Soil
Peaty, acidic, moisture retentive
Soil pH
Acidic
Temperature
-20 to 25°C
Humidity
60 to 90%
Drought tolerance
Low
Lifespan
Perennial, typically 10 to 20 years
Deer and rabbits
High

Signs it needs repotting

  • Roots growing out of the drainage holes.
  • Water sitting on the surface for too long.
  • Plant growth slows significantly.

Safety

People
There is no evidence of significant toxicity to humans.
Children
The plant is not toxic, but the small, dense foliage can be a choking hazard for very young children.
Contact allergens
The fine hairs on the leaves may cause mild irritation to sensitive skin.
Airborne allergens
The pollen is generally not considered a major allergen.
Edibility
This plant is not considered edible.

How to identify it

  • Whorls of four needle like leaves
  • Small pink bell shaped flowers
  • Greyish green foliage with fine hairs
  • Low growing shrubby habit
Height
0.15 to 0.3m
Spread
0.2 to 0.4m
Leaves
grey-green, evergreen
Flowers
pink, white, 0.5 to 0.8cm

Problems to watch for

  • Root rot · Occurs if water stagnates around the roots or if drainage is poor in non-boggy conditions.

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Growing it

Propagation
cuttings, seed
When to plant
spring, autumn
Overwintering
It is very hardy and requires no special protection in winter. Ensure the soil remains moist even during dormant periods.
In containers
It grows well in containers if kept in a bog-style setup with a tray of water underneath.

Softwood cuttings

  1. 1. Take 5cm cuttings in late summer.
  2. 2. Remove lower leaves.
  3. 3. Dip in rooting hormone.
  4. 4. Place in a peat-sand mix.
  5. 5. Keep humid until rooted.

Group this plant with other acid-loving bog species to ensure consistent soil moisture and pH levels.

Grows well with

  • Bog Rosemary · They share a love for the same acidic, moisture-retentive soil conditions.
  • Common Sundew · They naturally occur together in nutrient-poor boggy habitats.

Similar species

  • Common Heather · It is a related heath plant but prefers slightly better-drained soil.

Science

Family
Ericaceae
Genus
Erica
Order
Ericales
Class
Magnoliopsida
Native range
Western and Northern Europe.
Conservation
It is common in its native range but sensitive to habitat loss from drainage.

It survives in waterlogged, acidic soils by forming symbiotic relationships with mycorrhizal fungi to access nutrients.

Value to wildlife
nectar source
Pollinators
bees, butterflies
Uses
groundcover, rock garden, bog garden

Through the year

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Flowering
Fruiting
Foliage

Ecological indicators

Salinity
1/9
Soil reaction
2/9
Light
7/9
Temperature
4/9
Moisture
8/9
Nutrients
1/9

Taxonomy resolved against GBIF.

Questions people ask

Does it need boggy soil?
Yes, it prefers consistently moist, acidic soil and does not tolerate drying out.
Should I prune it?
Light pruning after flowering helps keep the plant compact and prevents it from becoming woody.

Where the name comes from

The name Erica comes from the Greek word for heath, while tetralix refers to the four-leaved whorls of its foliage.

Good to know

  • It is often called the cross-leaved heath because its leaves grow in whorls of four.
  • It thrives in nutrient-poor, acidic soils where many other plants struggle.
  • The bell-shaped flowers are perfectly adapted for bees to crawl inside.

Also in

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This guide was generated with AI on and checked against GBIF taxonomy. It is general information, not horticultural or veterinary advice. Read about how we build these guides.