New plants are added daily, so be sure to check back next week to see what’s been added. If there’s a specific plant you’re looking for, leave us a comment and let us know — we’d love to feature it for you!
Browse our growing collection of plants that begin with the letter O, featuring complete plant care guides and botanical reference profiles. Each entry includes essential information about lighting, watering routines, soil types, and propagation techniques.
New plant entries are added regularly to expand the O plant section of the Botanical Index. 🌿
Scientific Name: Oxalis triangularisCommon Name: Purple ShamrockPlant Type: Bulbous ornamental houseplantNative Region: Brazil (South America)Light: Bright, indirect lightWatering: Allow top inch of soil to dry between wateringSoil: Well-draining, light potting mixPropagation: Bulb division
While this section of The Botanical Index is still being developed, there are several plants known to begin with the letter O.
Some plants that begin with the letter O include:
• Orchid
• Oxalis
• Olive Tree
• Oyster Plant
• Orange Tree
Future plant entries will include detailed information about:
🌿 Natural origin and habitat
💧 Watering requirements
☀️ Light preferences
🪴 Soil and drainage needs
🌱 Propagation methods
This page is part of the growing Botanical Index A–Z, a reference collection documenting plant care, native habitats, and cultivation information for commonly grown plants.
Explore more plants in the index:
