Odontonema is a perennial houseplant grown for its ornamental flowers. It blooms from spring to autumn in red or pink flowers. Here’s what to know before you buy, plus how to plant, water and care for it.
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At-a-Glance Specifications
Buy an established plant for the fastest start
Half-hardy – shelter from hard frost
Suits borders, beds or a roomy container
Bright light keeps growth compact and healthy
A free-draining mix prevents root rot
Average amount
Pre-purchase considerations
- How it’s sold: Buying an established plant gives the fastest, most reliable start; growing from seed is possible but slower and less predictable.
- Planting window: Plant at any time of year so roots establish in the right conditions.
- Climate fit: Suited to zone 9+ — check it matches your winter lows before planting out.
Growing tips before you buy
- Cold protection: Know your first-frost date and have shelter ready for young plants in a cold snap.
- Space & siting: Allow for a mature size of about 1–2 m (3–7 ft); it also does well as a container houseplant in bright light.
- Light mapping: Match your site to its needs — full shade. Bright light keeps growth compact and healthy.
- Soil readiness: Prepare fertile, well-draining soil before planting; a free-draining mix prevents root rot.
Cultivation & care standards
- Potting & planting: Plant into fertile, well-draining soil in the ground or a container with good drainage holes.
- Watering: Average amount. Avoid waterlogging, which is the main cause of problems.
- Light: Position in full shade for healthy growth and the best flowering.
- Feeding: Feed through the growing season with a balanced fertilizer, switching to a bloom feed as buds form.
- Upkeep: Tidy spent growth and watch for the usual pests; good airflow keeps foliage healthy.
Uses & benefits
Odontonema earns its place by offering a colourful ornamental display of red or pink blooms. With a long season of interest from spring to autumn, it works well in beds, borders, patio pots or as an indoor specimen. You may also see it sold as Toothedthreads.
Frequently Bought Together
Everything you need to successfully plant and grow this specimen.
Healthy, nursery-grown & ready to pot
Nutrient-rich, well-draining mix
Breathable pot that prevents root rot
Feeds for healthy, vibrant growth
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