Prostanthera ovalifolia (Oval-leaf mint bush) — masses of small, trumpet-shaped purple or lilac flowers over strongly mint-scented dark green foliage. A good pick for pollinators, evergreen, full sun. It needs bright, direct light for the best compact growth and heavy flowering.
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🌿 Grown at our London nursery — collect in person or arrange local delivery
📦 Dispatched within 3 business days via Royal Mail
Product features
Botanical name: Prostanthera ovalifolia
Common name: Oval-leaf mint bush, Purple mint bush
Height: 1.5m to 2.5m (usually ~1m in pots)
Spread: 1m to 2m
Foliage: Small dark green leaves, strongly mint-scented when touched
Flower: Masses of small trumpet-shaped purple or lilac flowers
Attractive to wildlife: Yes, heavily draws bees and butterflies
Soil Type: Well-drained sandy or loamy soils
Drought tolerant: Moderately once established
Hardy: Frost tender (RHS H2), needs winter protection
Position: Full sun, warm sheltered spot
Evergreen: Yes
Suitable for: Sensory plots, patio containers, bright conservatories
Materials and care
Light: Full sun for the best compact growth and heavy flowering
Aspect: South- or west-facing, warm, bright, sheltered positions
Soil type: Light, sandy, or loamy soil, dislikes heavy clay
Drainage: Sharply well-drained, susceptible to root rot
Watering: Medium needs, keep moist but never waterlogged
Foliage protection: Grow in a container to move indoors in winter
Deadheading: Trim spent flowers to induce a secondary flush
End of season: Prune bushy stems by a third after flowering
Fertiliser: Feed once a year in summer after flowering
Propagation: Take semi-hardwood cuttings in mid-to-late summer
