Firecracker Plant
odontonema tubaeforme
Also known as: ["Firecracker Bush","Firecracker Shrub"]
Overview
A tropical shrub known for its vibrant, tubular flowers that resemble firecrackers, native to Central and South America.
Benefits & Perks
["long-flowering","fragrant flowers","wildlife attractant (bees, butterflies, birds)"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Magnoliopsida |
| Order: | Lamiales |
| Family: | Acanthaceae |
| Genus: | Odontonema |
| Botanical Name: | Odontonema tubaeforme |
Plant Characteristics
Basic Information
- Category: Flowers
- Suitable Location: indoor pot in bright, humid room or sheltered outdoor garden bed
- Suitable For:
- Is Weed: No
- Allergenicity: low
Environmental Needs
- Climate: {"temperatureRange":"18–30°C"}
- Hardiness: {"zones":"10–11"}
- Misting: every 2–3 days in dry environments
- Drainage: Fast-draining to prevent waterlogging.
- Soil Type: Well-draining potting mix with added perlite or sand for aeration.
Maintenance Level
- Maintenance Level: moderate
- Toughness Level: moderate
- Pruning Frequency: Annually in late winter or early spring; light pruning can be done as needed.
- Pruning Intensity: Moderate; remove up to one-third of the plant if overgrown.
Care Details
Ideal Sunlight Coverage:
Bright indirect light for 6–8 hours daily; can tolerate some direct morning sun but avoid harsh afternoon sun.
Sunlight Tolerance Tips:
Acclimate gradually to direct light; protect from intense sun to prevent scorching; adjust placement based on indoor/outdoor conditions.
Care Requirements
Care Difficulty
moderatemoderate
Sunlight
bright, indirect light or partial shade
Rotate plant for even growth; use sheer curtains to filter harsh light; move outdoors in warm months for better light exposure.
Watering
every 7–10 days during active growth, reduce in winter
Water deeply to encourage root growth; ensure proper drainage to avoid waterlogging; adjust frequency based on season and humidity.
Soil
well-draining, fertile potting mix with added organic matter
pH: Slightly acidic to neutral (pH 6.0–7.0).
Ensure pots have drainage holes; avoid heavy clay soils; top-dress with compost annually.
Temperature
Prefers 65–85°F (18–29°C); thrives in warm, humid conditions; protect from temperatures below 50°F (10°C).
Avoid sudden temperature changes; maintain consistent warmth; protect from drafts.
Fertilizing
every 4–6 weeks during growing season with balanced liquid fertilizer
Fertilize after watering to prevent root burn; flush soil occasionally to prevent salt buildup; reduce frequency in dormant periods.
Propagation
Methods
Stem cuttings in water or soil.
Step-by-Step Propagation Guide
- Take a 4–6 inch cutting, remove lower leaves, apply rooting hormone, place in medium, keep moist and warm.
Best Time: Spring or early summer when the plant is actively growing.
Environment
Warm, humid conditions with indirect light; maintain 70–80°F (21–27°C) and high humidity.
Medium
Well-draining potting mix or water with occasional changes.
Hormone
Optional but recommended for faster rooting.
Timeline
Roots develop in 2–4 weeks; new growth appears in 6–8 weeks.
Tools Needed
Pruning shears, rooting hormone, small pots, plastic wrap or propagator.
Quick Tips
Use healthy, non-flowering stems; keep soil consistently moist; provide bottom heat for faster rooting.
Pruning & Repotting
Pruning Guide
Method
Cut just above a leaf node or bud; use clean, sharp tools to avoid damage.
Pruning Plan
Prune to maintain shape, encourage bushiness, and remove dead or overgrown stems.
Tools
Pruning shears, sterilizing solution, gloves.
Checklist
Sterilize tools, prune dead/damaged stems, shape the plant, clean up debris.
Repotting Guide
Best Season
Spring, before the active growing season begins.
Pot Size
Choose a pot 1–2 inches larger in diameter than the current one.
Method
Remove plant gently, trim roots if needed, place in a new pot with fresh soil, water lightly, and avoid direct sun for a few days.
Suggestions
Repot every 2–3 years or when roots outgrow the pot; necessary to refresh soil and provide space for growth.
Checklist
Check root bound status, prepare new pot, trim roots, add fresh soil, water lightly, acclimate slowly.
Advanced Care Tips
Watering Mastery
Watering Checklist
Check soil moisture, water deeply, ensure drainage, adjust for season.
How to Apply Water Properly
Water at the base of the plant, avoiding foliage; ensure water penetrates the root zone; allow excess water to drain completely; water in the morning to reduce evaporation.
Watering Schedule Tips
Water thoroughly when the top inch of soil feels dry; reduce frequency in winter to prevent root rot.
Soil Improvement
Add perlite or coarse sand to improve drainage; incorporate organic matter like compost for fertility.
Temperature Stress Management
Signs of Temperature Issues
Yellowing leaves, leaf drop, stunted growth, or browning leaf edges.
Cold Stress
Slows growth, causes leaf discoloration, and may lead to root damage if temperatures drop below 50°F (10°C).
Solution: Move to a warmer location, insulate pots, and avoid cold drafts; use a space heater if necessary.
Hot Stress
Wilting, leaf scorch, or reduced flowering due to excessive heat and dryness.
Solution: Provide shade, increase humidity, and water more frequently; use a fan to improve air circulation.
Fertilizing Guide
Fertilizing Checklist
Check season, dilute fertilizer, water before feeding, avoid winter feeding.
Fertilizing Method
Use a balanced liquid fertilizer diluted to half strength every 4–6 weeks during growing season (spring to fall); avoid fertilizing in winter.
Common Problems & Solutions
Toxicity Warning
Cats
Non-toxicOdontonema tubaeforme is not known to be toxic to cats. There are no reported adverse effects from ingestion or contact.
⚡ Toxic If:
None
Dogs
Non-toxicOdontonema tubaeforme is not known to be toxic to dogs. There are no reported adverse effects from ingestion or contact.
⚡ Toxic If:
None
Humans
Non-toxicOdontonema tubaeforme is not known to have any toxic effects on humans. It is generally considered safe for handling and consumption.
⚡ Toxic If:
None
Frequently Asked Questions
Q: How often should I water Odontonema tubaeforme?
A: Water moderately, allowing the soil to dry slightly between waterings.
Q: Does this plant require full sun?
A: Yes, it thrives in full sun to partial shade.
Q: Can Odontonema tubaeforme be grown indoors?
A: It can be grown indoors with sufficient light, but it prefers outdoor conditions.
Quick Reference
| Family: | Acanthaceae |
| Care: | moderate |
| Light: | bright, indirect light or part |
| Water: | every 7–10 days during activ |
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