Tuberose
mirabilis longiflora
Also known as: ["Tuberose","Four O'Clock Flower"]
Overview
A perennial herbaceous plant known for its fragrant, tubular flowers that open in the evening.
Benefits & Perks
["fragrant flowers","wildlife attractant (bees, butterflies, birds)"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Magnoliopsida |
| Order: | Caryophyllales |
| Family: | Nyctaginaceae |
| Genus: | Mirabilis |
| Botanical Name: | Mirabilis longiflora |
Plant Characteristics
Basic Information
- Category: Flowers
- Suitable Location: outdoor garden bed in a sunny spot, or large container
- Suitable For:
- Is Weed: No
- Allergenicity: low
Environmental Needs
- Climate: {"temperatureRange":"10–35°C"}
- Hardiness: {"zones":"8–11"}
- Misting: rarely required, only if ambient humidity is very low
- Drainage: Fast-draining to prevent waterlogging.
- Soil Type: Well-draining potting mix with added perlite or coarse sand; can include some organic matter for fertility.
Maintenance Level
- Maintenance Level: moderate
- Toughness Level: moderate
- Pruning Frequency: Light pruning can be done anytime; major pruning in late winter or early spring before new growth begins.
- Pruning Intensity: Light to moderate; avoid heavy pruning unless necessary to control size.
Care Details
Ideal Sunlight Coverage:
Bright indirect light or partial shade; 4–6 hours of sunlight per day; adjust for intense summer sun.
Sunlight Tolerance Tips:
Acclimate gradually to direct sun to avoid scorching; provide shade during peak afternoon hours; adjust placement based on seasonal light changes.
Care Requirements
Care Difficulty
easymoderate
Sunlight
full sun to partial shade
Rotate plant weekly for even growth; use sheer curtains to filter intense light; avoid direct afternoon sun in summer.
Watering
every 7–10 days during active growth, reduce in winter
Water thoroughly but allow soil to dry between waterings; avoid overwatering, especially in winter.
Soil
well-draining, loamy soil with some organic matter
pH: Slightly acidic to neutral (pH 6.0–7.0).
Use a mix designed for cacti or succulents; avoid heavy clay soils; ensure pots drain well.
Temperature
Prefers moderate temperatures (65–75°F or 18–24°C); tolerates mild heat but avoid prolonged exposure to extreme temperatures.
Avoid sudden temperature changes; keep away from air conditioning vents; maintain consistent room temperature.
Fertilizing
every 4–6 weeks during growing season, none in winter
Apply fertilizer after watering to prevent root burn; flush soil occasionally to prevent salt buildup.
Propagation
Methods
Stem cuttings or division; stem cuttings are more common for home growers.
Step-by-Step Propagation Guide
- Take a 4–6 inch cutting.
- Remove lower leaves.
- Dip in rooting hormone (optional).
- Plant in moist medium.
- Keep warm and humid.
Best Time: Spring or early summer when the plant is actively growing.
Environment
Warm, humid environment with indirect light; maintain consistent moisture.
Medium
Well-draining potting mix with perlite or sand; can also root in water initially.
Hormone
Rooting hormone is optional but recommended for faster rooting.
Timeline
Roots may develop in 2–4 weeks; new growth may appear in 6–8 weeks.
Tools Needed
Pruning shears, rooting hormone, small pots, well-draining soil mix.
Quick Tips
Use healthy, non-flowering stems; maintain high humidity with a plastic bag or dome; keep out of direct sun.
Pruning & Repotting
Pruning Guide
Method
Pinch back tips to encourage branching; cut stems just above a leaf node or bud.
Pruning Plan
Prune to maintain shape, encourage bushier growth, and remove dead or weak stems.
Tools
Clean, sharp pruning shears or scissors.
Checklist
Sterilize tools; prune dead or damaged growth; shape as desired; dispose of clippings properly.
Repotting Guide
Best Season
Early spring before active growth begins.
Pot Size
Choose a pot one size larger (1–2 inches wider in diameter) than the current one.
Method
Remove plant gently; trim any circling roots; place in a new pot with fresh soil; water lightly after repotting.
Suggestions
Repot every 2–3 years or when roots fill the pot; beneficial for growth and health.
Checklist
Select appropriate pot size; prepare fresh soil mix; handle roots carefully; water after repotting.
Advanced Care Tips
Watering Mastery
Watering Checklist
Check soil moisture before watering; water early in the day; ensure proper drainage.
How to Apply Water Properly
Water at the base of the plant, ensuring moisture reaches the root zone; avoid wetting foliage to prevent fungal issues; ensure excess water drains away.
Watering Schedule Tips
Water deeply once the top inch of soil is dry; reduce frequency in winter to prevent root rot.
Soil Improvement
Add perlite or coarse sand for drainage; incorporate compost for fertility; ensure pots have drainage holes.
Temperature Stress Management
Signs of Temperature Issues
Wilting, leaf drop, or stunted growth in extreme heat; yellowing or root rot in cold conditions.
Cold Stress
Slows growth, causes leaf discoloration, and may lead to root damage in freezing temperatures.
Solution: Move to a warmer location; protect from drafts; use a heat mat if necessary.
Hot Stress
Leaves may scorch, wilt, or drop; growth may slow due to excessive heat.
Solution: Provide shade during peak heat; increase humidity; water more frequently but avoid waterlogging.
Fertilizing Guide
Fertilizing Checklist
Use diluted fertilizer; fertilize during active growth; stop in winter.
Fertilizing Method
Use a balanced liquid fertilizer diluted to half strength every 4–6 weeks during growing season (spring to early fall); avoid fertilizing in winter.
Common Problems & Solutions
Toxicity Warning
Cats
Non-toxicMirabilis longiflora is not known to be toxic to cats. There are no documented cases of adverse effects in felines after exposure to this plant.
⚡ Toxic If:
None
Dogs
Non-toxicMirabilis longiflora is not known to be toxic to dogs. There are no documented cases of adverse effects in canines after exposure to this plant.
⚡ Toxic If:
None
Humans
Non-toxicMirabilis longiflora is not known to exhibit toxic properties to humans. The plant has no reported adverse effects on human physiology.
⚡ Toxic If:
None
Frequently Asked Questions
Q: Does Mirabilis longiflora bloom during the day?
A: No, its flowers typically open in the evening and close by morning.
Q: Is this plant toxic to pets?
A: No, it is non-toxic to dogs and cats.
Q: How often should I water Mirabilis longiflora?
A: Water moderately, allowing the soil to dry slightly between waterings.
Quick Reference
| Family: | Nyctaginaceae |
| Care: | easy |
| Light: | full sun to partial shade |
| Water: | every 7–10 days during activ |
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