How to Grow Phuopsis Plants

Gardener's HQ Guide to Growing Crosswort

There is only one member of the Phuopsis plant (Phuopsis stylosa) genus and this goes by the common name of Crosswort.

It is able to reach 30 cm (1 foot) in height and blooms in the summer.

Phuopsis is a hardy perennial that grows in mats of narrow leaves.

The flowers are clustered into an attractive ball, and consist of minute pink tubular flowers.

It is an ideal plant to use in rock gardens, looks attractive at the front of borders or let it drape over walls to creative an attractive focal point.

Crucianella maritima
Crucianella maritima, Crosswort by ant2ant41; creative commons.

Crucianella stylosa
Crucianella stylosa - Phuopsis stylosa – Crosswort by Stadtkatze.

Phuopsis Plant Growing and Care Guide

Common Names: Crosswort.
Life Cycle: Perennial commonly grown as a hardy annual by gardeners.
Height: 10 to 12 inches (25 to 30 cm).
Native: Europe, Asia.
Growing Region: Zones 6 to 9.

Flowers: Summer.
Flower Details: Yellow, violet. Tiny. Umbels.
Foliage: Compound. Narrow. Pinnate.

Sow Outside: Surface. Autumn. Spacing 18 to 20 inches (45 to 50 cm). Germination time: one month. Temperature 50°F (10°C).
Sow Inside: No.

Requirements: Full sunlight or light shade. Dry soils. Deadhead before flowers set seeds as Crosswort may spread uncontrollably if left unchecked. Propagate: dividing in the spring; cuttings in the summer.
Family: Rubiaceae.
Miscellaneous: Synonymous with Crucianella.

How to Grow Crosswort and other Phuopsis Plant Genus Members in the Garden

When growing Crosswort (Crucianella / Phuopsis Plants) from seed it is best to sow them outdoors on the surface in the autumn.

It should take about one month to germinate once the temperature cools to 10 to 15°C (50 to 59°F).

If you buy Phuopsis from a garden center, then plant outdoors in either spring or autumn.

In either case, the Crosswort should be planted / sown with a spacing of about 50 cm (20 inches) apart into a dry soil.

Crosswort are able to grow in partly shady or sunny areas.

Caring for Crosswort - Phuopsis

Crosswort is a spreading mat forming plant, you may need to keep an eye on it once growing so that it does not spread to far.

If you require more Phuopsis plants then take cuttings in the summer or divide the plants in the spring.

I hope that you enjoyed this guide on how to grow Phuopsis plants. You may also enjoy the following Gardener's HQ growing guides: How to grow Mitchella, Armeria plant, and Ixora plants.