Pacific Bead Tree
vitex trifolia
Also known as: ["Three-leaf Chaste Tree","Blue Butterfly Bush"]
Overview
A deciduous shrub or small tree native to coastal regions of Asia, known for its aromatic leaves and clusters of blue-purple flowers.
Benefits & Perks
["fragrant flowers","wildlife attractant (bees, butterflies, birds)","drought tolerant","aesthetic foliage"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Magnoliopsida |
| Order: | Lamiales |
| Family: | Lamiaceae |
| Genus: | Vitex |
| Botanical Name: | Vitex trifolia |
Plant Characteristics
Basic Information
- Category: Flowers
- Suitable Location: coastal gardens, rockeries, or as a potted specimen in warm climates
- Suitable For:
- Is Weed: No
- Allergenicity: low
Environmental Needs
- Climate: {"temperatureRange":"15–35°C"}
- Hardiness: {"zones":"9–11"}
- Misting: rarely required, only if ambient humidity is very low
- Drainage: Fast-draining to prevent waterlogging.
- Soil Type: Well-draining, loamy soil with added organic matter; can tolerate sandy soils.
Maintenance Level
- Maintenance Level: moderate
- Toughness Level: moderate
- Pruning Frequency: Annually in late winter or early spring before new growth begins.
- Pruning Intensity: Moderate; remove up to one-third of old growth to rejuvenate the plant.
Care Details
Ideal Sunlight Coverage:
Full sun (6–8 hours of direct sunlight daily); tolerates partial shade in hot climates.
Sunlight Tolerance Tips:
Acclimate plants gradually to full sun; protect from intense midday sun in hot regions; ensure good air circulation to prevent sunburn.
Care Requirements
Care Difficulty
moderatemoderate
Sunlight
full sun to partial shade
Rotate plant for even light exposure; use shade cloth in extreme heat; avoid placing near reflective surfaces.
Watering
every 7–10 days during active growth, reduce in winter
Water thoroughly but infrequently; ensure soil dries between waterings; avoid overwatering.
Soil
well-draining, sandy loam with moderate organic content
pH: Slightly acidic to neutral (pH 6.0–7.0).
Ensure pots have drainage holes; avoid heavy clay soils; test soil pH periodically.
Temperature
Thrives in warm conditions (65–85°F or 18–29°C); prefers stable temperatures; sensitive to frost.
Protect from frost; avoid sudden temperature swings; maintain consistent warmth.
Fertilizing
every 4–6 weeks during growing season with balanced liquid fertilizer
Apply fertilizer after watering; flush soil occasionally to prevent salt buildup; reduce feeding in dormant periods.
Propagation
Methods
Stem cuttings or seed; stem cuttings are more reliable for home growers.
Step-by-Step Propagation Guide
- Take a 4–6 inch cutting.
- Remove lower leaves.
- Apply rooting hormone.
- Plant in medium.
- Maintain humidity.
Best Time: Spring or early summer when the plant is actively growing.
Environment
High humidity (70–80%), warm temperatures (70–75°F or 21–24°C), and bright indirect light.
Medium
Well-draining mix of perlite and peat moss or cactus mix.
Hormone
Rooting hormone is recommended for faster and more reliable rooting.
Timeline
Roots typically form in 4–6 weeks; new growth appears in 2–3 months.
Tools Needed
Pruning shears, rooting hormone, small pots, misting spray bottle.
Quick Tips
Use healthy, non-flowering stems; keep soil consistently moist; provide bottom heat for faster rooting.
Pruning & Repotting
Pruning Guide
Method
Selective thinning and heading back to shape the plant and improve air circulation.
Pruning Plan
Prune to maintain shape, encourage bushiness, and remove dead or diseased growth.
Tools
Pruning shears, loppers (for larger branches), sterilizing solution.
Checklist
Sterilize tools; prune dead/damaged growth; shape the plant; clean up debris.
Repotting Guide
Best Season
Spring, before the active growing season begins.
Pot Size
Increase pot size by 2–3 inches in diameter; ensure good drainage.
Method
Remove plant gently; trim roots if necessary; place in a slightly larger pot with fresh soil; water lightly.
Suggestions
Repot every 2–3 years or when roots fill the pot; beneficial for root health and growth.
Checklist
Choose appropriate pot; prepare new soil mix; handle roots carefully; water after repotting.
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, ensuring moisture reaches the root zone; allow excess water to drain away; water in the morning to reduce evaporation.
Watering Schedule Tips
Water deeply once the top inch of soil feels dry; reduce frequency in winter to prevent root rot.
Soil Improvement
Add perlite or sand for drainage; incorporate compost for fertility; use mulch to retain moisture.
Temperature Stress Management
Signs of Temperature Issues
Chlorosis (yellowing leaves), leaf drop, stunted growth, or bud abortion.
Cold Stress
Leaves may wilt, turn brown, or drop; growth halts; prolonged cold can cause dieback.
Solution: Move to a warmer location; provide frost protection; avoid watering during cold spells.
Hot Stress
Wilting, leaf scorch, reduced flowering, or leaf drop due to excessive heat.
Solution: Provide shade during peak heat; increase watering; use mulch to retain soil moisture.
Fertilizing Guide
Fertilizing Checklist
Check fertilizer type; dilute correctly; apply during active growth; avoid winter feeding.
Fertilizing Method
Use balanced liquid fertilizer diluted to half strength every 4–6 weeks during growing season; avoid fertilizing in winter.
Common Problems & Solutions
Toxicity Warning
Cats
Slightly ToxicCats that consume Vitex trifolia berries may experience mild gastrointestinal issues. The toxicity is generally low, but caution is advised due to the potential for digestive upset.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Dogs
Slightly ToxicIngestion of Vitex trifolia berries by dogs may lead to mild gastrointestinal upset. The compounds present are not highly toxic but can cause discomfort if consumed in large amounts.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Humans
Slightly ToxicVitex trifolia berries contain compounds that can cause mild gastrointestinal distress when ingested in significant quantities. The physiological impact is generally limited to the digestive system, with no severe systemic effects reported.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Frequently Asked Questions
Q: Is Vitex trifolia suitable for coastal gardens?
A: Yes, it is highly tolerant of salt spray and coastal conditions.
Q: Does Vitex trifolia attract pollinators?
A: Yes, its flowers are highly attractive to bees, butterflies, and other pollinators.
Q: How often should Vitex trifolia be watered?
A: It is drought-tolerant once established but benefits from regular watering during its first growing season.
Quick Reference
| Family: | Lamiaceae |
| Care: | moderate |
| Light: | full sun to partial shade |
| Water: | every 7–10 days during activ |
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