Golden Shrub Senna
cassia leptophylla
Also known as: ["Golden Shrub Senna","Golden Cassia"]
Overview
A deciduous shrub or small tree native to Brazil, known for its bright yellow flowers and pinnate leaves.
Benefits & Perks
["long-flowering","aesthetic foliage","wildlife attractant (bees, butterflies, birds)","drought tolerant"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Magnoliopsida |
| Order: | Fabales |
| Family: | Fabaceae |
| Genus: | Cassia |
| Botanical Name: | Cassia leptophylla |
Plant Characteristics
Basic Information
- Category: Flowers
- Suitable Location: outdoor garden in a sunny, sheltered spot
- Suitable For:
- Is Weed: No
- Allergenicity: low
Environmental Needs
- Climate: {"temperatureRange":"10–35°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. A mix of cactus soil and regular potting mix works well.
Maintenance Level
- Maintenance Level: moderate
- Toughness Level: moderate
- Pruning Frequency: Annually in late winter or early spring before new growth begins.
- Pruning Intensity: Moderate to heavy, depending on desired shape and size.
Care Details
Ideal Sunlight Coverage:
Full sun (6–8 hours of direct sunlight daily). Tolerates partial shade but may become leggy or flower less.
Sunlight Tolerance Tips:
Acclimate plants gradually to intense sunlight if moved from shade. Protect from harsh midday sun in hot climates to prevent leaf scorch. Indoors, place near a south-facing window.
Care Requirements
Care Difficulty
moderatemoderate
Sunlight
full sun
Rotate plant weekly for even growth; use sheer curtains to filter intense summer sun; avoid sudden light changes.
Watering
every 7–10 days during active growth, reduce in winter
Water thoroughly until runoff occurs; allow soil to dry partially between waterings; avoid waterlogging to prevent root rot.
Soil
well-draining, loamy soil with moderate organic content
pH: Slightly acidic to neutral (pH 6.0–7.0).
Ensure pots have drainage holes; avoid compacted soil; test pH periodically.
Temperature
Thrives in warm conditions, ideal range 65–85°F (18–29°C). Tolerates mild frosts but prefers frost-free environments.
Protect from frost; ensure good air circulation in heat; adjust watering with temperature changes.
Fertilizing
every 4–6 weeks during spring and summer
Avoid fertilizing in winter; apply fertilizer to moist soil to prevent root burn; flush soil occasionally to prevent salt buildup.
Propagation
Methods
Stem cuttings or seeds. Stem cuttings are more reliable for home growers.
Step-by-Step Propagation Guide
- Take 4–6 inch cuttings.
- Remove lower leaves.
- Dip in rooting hormone.
- Plant in medium.
- Maintain humidity.
Best Time: Spring or early summer when the plant is actively growing.
Environment
Warm (70–75°F), humid environment with bright indirect light and good air circulation.
Medium
Well-draining mix of perlite and peat moss, or cactus/succulent soil.
Hormone
Recommended to use rooting hormone powder for faster root development.
Timeline
Roots typically form in 4–8 weeks; new growth may appear in 2–3 months.
Tools Needed
Pruning shears, rooting hormone, small pots, misting spray bottle, plastic bags (for humidity).
Quick Tips
Use healthy, non-flowering stems; keep soil consistently moist but not waterlogged; provide bottom heat if possible.
Pruning & Repotting
Pruning Guide
Method
Selective pruning of long or crossing branches; thin out crowded areas to improve light penetration.
Pruning Plan
Prune to maintain shape, encourage bushier growth, and remove dead or diseased wood. Pruning also improves air circulation and flowering.
Tools
Pruning shears, loppers (for larger branches), gloves, disinfectant (for tool sanitation).
Checklist
Disinfect tools; prune during dormancy; remove dead/diseased wood first; make clean cuts just above buds or branches.
Repotting Guide
Best Season
Early spring before the active growing season begins.
Pot Size
Choose a pot one size larger (2–3 inches wider in diameter) than the current one.
Method
Remove plant gently; trim any circling roots; place in a new pot with fresh, well-draining soil; water thoroughly after repotting.
Suggestions
Repot every 2–3 years or when roots fill the container. Necessary to refresh soil and provide space for growth.
Checklist
Select appropriate pot size; prepare fresh soil mix; handle roots carefully; water after repotting; place in shaded area for a few days.
Advanced Care Tips
Watering Mastery
Watering Checklist
Check soil moisture before watering; water deeply; ensure proper drainage; adjust frequency seasonally.
How to Apply Water Properly
Water directly at the root zone, ensuring even moisture distribution. Apply water slowly to allow absorption, and continue until water drains from the bottom. Water in the morning to minimize evaporation and fungal issues.
Watering Schedule Tips
Water deeply once every 7–10 days during active growth in spring and summer; reduce frequency to every 2–3 weeks in fall and winter when growth slows. Adjust based on rainfall and soil dryness.
Soil Improvement
Add perlite or coarse sand for drainage; incorporate compost for fertility; use mulch to retain moisture and improve soil structure.
Temperature Stress Management
Signs of Temperature Issues
Chlorosis or leaf drop in cold stress; wilting or scorching in excessive heat.
Cold Stress
Low temperatures slow growth and may cause leaf drop or dieback. Prolonged cold can damage roots and stems.
Solution: Move container plants indoors or to a sheltered location; apply a thick layer of mulch for ground plants; avoid overwatering in cold conditions.
Hot Stress
Excessive heat can lead to leaf scorch, wilting, and reduced flowering. High temperatures may increase water demand.
Solution: Provide afternoon shade in extreme heat; increase watering frequency; use mulch to retain soil moisture.
Fertilizing Guide
Fertilizing Checklist
Use balanced fertilizer; apply during growing season; avoid over-fertilization; water before and after feeding.
Fertilizing Method
Use a balanced, slow-release fertilizer (10-10-10) in early spring and midsummer. Dilute liquid fertilizer to half-strength if used monthly during active growth.
Common Problems & Solutions
Toxicity Warning
Cats
ToxicCassia leptophylla is toxic to cats, with the seeds, leaves, and bark containing anthraquinone glycosides that can induce severe gastrointestinal distress and systemic toxicity in felines.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Dogs
ToxicThe seeds, leaves, and bark of Cassia leptophylla are toxic to dogs due to the presence of anthraquinone glycosides. These compounds can cause severe gastrointestinal upset and potential systemic effects in canines.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Humans
ToxicCassia leptophylla contains anthraquinone glycosides, which are known to have purgative effects on the human gastrointestinal tract. Ingestion can lead to severe gastrointestinal distress and potential systemic toxicity due to the presence of these compounds.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Frequently Asked Questions
Q: Is Cassia leptophylla toxic to pets?
A: It is mildly toxic to dogs and cats if ingested.
Q: Does Cassia leptophylla attract wildlife?
A: Yes, it attracts bees, butterflies, and birds.
Q: How often should Cassia leptophylla be watered?
A: Water moderately, allowing the soil to dry slightly between waterings.
Quick Reference
| Family: | Fabaceae |
| Care: | moderate |
| Light: | full sun |
| Water: | every 7–10 days during activ |
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