Family: Scrophulariaceae

Once classified with Veronica, this genus of around 30 species of small, dense, evergreen shrubs mostly from New Zealand, with a few that are native to Australia and New Guinea, is very closely related to Hebe. Parahebe species differ from Veronica in their fruit, which is a flattened capsule. 'Utley look very pretty grown in rock gardens and borders, flowering from summer through to late autumn.

Species

P. catarractae, waterautumn veronica, from New Zealand, has a semi-prostrate habit, becoming more upright with maturity. It bears small sprays of white, funnel-shaped flowers, tinged with purple.

P. linifolia, from New Zealand, is a dwarf, branching shrub, growing to about 25 cm (10 in), with white to pale pink flowers.

P. lyallii, from New Zealand, is a many-branched, semi-prostrate shrub, with terminal spikes of small, white to pink flowers and oval, serrated, leathery, green leaves.

P. perfoliata, digger's speedwell, zone 9, is a tender species from south-eastern parts of Australia. Growing 50-100 cm (20-40 in) in height, it has long sprays of lovely, dainty, blue to purple flowers and attractive, grayish blue foliage, tinged with purple when young.

Cultivation

Parahebe will grow in ally well-drained soil. Propagate by division during spring, or by firm tip cuttings taken in summer. Cut back established plants after flowering is complete. Although frost-tolerant, they prefer shelter from strong wind in cold areas.

Climate

Zone 8 for most species.