How to Grow Herniaria Plants in your Garden

Gardener's HQ Guide to Growing Rupturewort

Herniaria plants are mat growing hardy perennials. They reach from between 10 to 45 cm (4 to 18 inches) in height, and carry tiny green flowers that bloom in the summer.

This makes them ideal for use in rock gardens.

A common name for the Herniaria plant is Rupture wort.

Herniaria fruticosa
Herniaria fruticosa by chemazgz.

Herniaria Growing and Care Guide

Common Names: Rupturewort.
Life Cycle: Hardy perennial.
Height: 4 to 20 inches (10 to 50 cm). Flat / Mat Growing
Native: Europe. Asia. Africa.
Growing Region: Zones 3 to 9.

Flowers: Summer.
Flower Details: Green. Tiny. Petal-less.
Foliage: Evergreen. Fuzzy. Small. Green.

Sow Outside: Cover seed. Start of spring - before the last frost, or towards the end of autumn. Spacing: Small 4 to 6 inches (10 to 15 cm); Large 12 to 18 inches (30 to 45 cm).
Sow Inside: Germination time: one to two weeks. Temperature: 70°F (21°C).
Seven or eight weeks before expected last frost. Transplant outdoors following the last frost.

Requirements and care: Full sunlight or partial shade. Good drainage. Average soil. Can survive in dry soils. Propagate: by dividing in the spring in cooler areas or the autumn in warmer areas.
Miscellaneous: Used as a traditional remedy for the treatment of kidney stones in Morocco.

How to Grow Rupture Wort and other Herniaria Plants in the Garden

Rupture wort can be grown outdoors by sowing seed either in the early spring (before the last frost), or towards the end of autumn. Lightly cover the seed once sown.

It is best to locate Herniaria Plants t in either sunny or partially shaded areas of the garden. This should have good drainage and a dry soil.

If you prefer to start Herniaria off indoors, first then they take around two weeks to germinate at 21 degrees centigrade (70°F).

They should be started off about two months before transplanting out following the last frost of spring.

It is best to space Rupture wort at about 30 to 45 cm (12 to 18 inches) apart.

If you require more plants then they can be had by division in the autumn.

Common Questions

How many members does the Herniaria genus have?

The Herniaria genus has about 10 species, often used as ground covers due to their compact growth habit.

Do members of Herniaria make a good garden or landscaping plant?

Yes, Herniaria glabra or Green Carpet, is popular in landscaping for its ability to fill in spaces between stepping stones or along paths.

Which Herniaria species are most frequently grown by gardeners?

Herniaria glabra, commonly referred to as Green Carpet or Rupturewort, is a favourite for its compact growth and ability to withstand foot traffic.

Are members of the Herniaria plant genus fragrant?

Herniaria species are not particularly known for their fragrance, but more for their utility as ground covers.

What is the perfect location to grow Herniaria?

Herniaria species are drought-tolerant and prefer full sun to partial shade and well-drained soil.

Is Herniaria invasive in the USA, if so in which states?

Currently, Herniaria is not listed as invasive in the USA.

How do I remove Herniaria plants from my garden?

Removing Herniaria requires careful uprooting and disposal, ensuring you've removed all the roots to prevent re-growth.


The Herniaria plant genus belongs to the Caryophyllaceae family. These small, perennial herbs are native to Europe and Northern Africa. They are often used as ground cover due to their low-growing habit.

To cultivate Herniaria, plant in a sunny location with well-drained soil. These plants are drought-tolerant, making them a good choice for xeriscaping. They can be propagated by seeds or division; this is usually done in the spring or fall.

I hope that you enjoyed this guide on how to grow Herniaria plants. You may also enjoy my gardening guides on how to grow daffodils, Chlorogalum plant, and Bulbocodium plants.