Also known as Perry Winkle · Purple Porterweed
Stachytarpheta frantzii is a shrubby perennial known for its spikes of bright blue to purple flowers, attracting pollinators to gardens.
At-a-glance light, water, soil, and growing conditions from plant data
Full sun
100% intensity
Prefers at least 6-8 hours of direct sunlight daily for optimal flowering and growth.
Regular watering during the growing season
50% intensity
Allow soil to dry slightly between waterings. Avoid waterlogged conditions.
Well-drained
50% intensity
Warm to moderate
75% intensity
Thrives in temperatures between 18-27°C. Protect from frost; bring indoors if temperatures drop below 10°C.
Moderate feeding during growing season
50% intensity
Apply balanced liquid fertilizer every 4-6 weeks from spring to early autumn.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | No 0/5 intensity |
| Toxic for pets | No 0/5 intensity |
| Edible | No |
None
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Stachytarpheta frantzii prefers consistently moist soil but can tolerate short periods of dryness once established. Water thoroughly when the top 2-3 cm of soil feels dry.
Avoid waterlogging, as this can lead to root rot. Reduce watering slightly during cooler, dormant periods.
Prune Stachytarpheta frantzii to maintain shape and encourage bushier growth. Deadhead spent flower spikes regularly to promote continuous blooming.
Harder pruning can be done in late winter or early spring before new growth begins to rejuvenate the plant.
Propagate Stachytarpheta frantzii from stem cuttings taken in spring or summer. Select healthy shoots, cut them to about 10-15 cm, remove lower leaves, and dip the cut end in rooting hormone.
Plant in a well-draining potting mix and keep moist.
Repot Stachytarpheta frantzii every 2-3 years, or when it becomes root-bound. Choose a pot that is slightly larger than the current one. Use a well-draining potting mix.
Spring is the ideal time for repotting, coinciding with the start of active growth.
Identify plants like this with ePlant AI
Snap a photo to get care tips and match similar species on the go.
Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Stachytarpheta Frantzii (Stachytarpheta frantzii)
Where Stachytarpheta Frantzii (Stachytarpheta frantzii) is found
Density
Tap map to explore
Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Lamiales |
| Family | Verbenaceae |
| Genus | Stachytarpheta |
| Species | Stachytarpheta frantzii |
Similar in genus Stachytarpheta
Answers based on plant encyclopedia data
