Candlestick Senna

senna surattensis

Also known as: ["Candlestick Senna","Golden Candle"]

Family: Fabaceae Genus: Senna Category: Flowers

Overview

A fast-growing, evergreen shrub or small tree with bright yellow, candle-like flower spikes that bloom year-round in tropical climates.

Benefits & Perks

["long-flowering","fast growing","wildlife attractant (bees, butterflies, birds)","drought tolerant"]

Botanical Classification

Phylum: Magnoliophyta
Class: Magnoliopsida
Order: Fabales
Family: Fabaceae
Genus: Senna
Botanical Name: Senna surattensis

Plant Characteristics

Basic Information
  • Category: Flowers
  • Suitable Location: outdoor garden in tropical or subtropical regions
  • Suitable For:
    Busy People (low Maintenance) Outdoor Landscapers Wildlife Supporters
  • 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 potting mix with added perlite or sand for aeration; can tolerate slightly sandy soils.
Maintenance Level
  • Maintenance Level: moderate
  • Toughness Level: high
  • Pruning Frequency: Annually or every 2–3 years, depending on growth rate and desired shape.
  • Pruning Intensity: Moderate; remove up to one-third of the plant if overgrown, but avoid heavy pruning during flowering
Care Details

Ideal Sunlight Coverage:
Full sun to partial shade; 6–8 hours of direct sunlight daily, with some afternoon shade in hot climates.

Sunlight Tolerance Tips:
Acclimate plants gradually to intense sunlight; protect from harsh midday sun to prevent scorching; adjust placement based on indoor/outdoor conditions.

Warning Signs: Yellowing leaves, root rot, or stunted growth indicate poor drainage or incorrect soil conditions.

Care Requirements

Care Difficulty
easy

moderate

Sunlight

full sun to partial shade

Rotate plant for even light exposure; use sheer curtains to filter intense sun; provide shade during peak summer hours.

Watering

every 7–10 days during active growth, reduce in winter

Water thoroughly until it drains from the bottom, allow soil to dry between waterings, avoid overhead watering to prevent fungal issues.

Soil

well-draining, loamy soil with moderate organic content

pH: Slightly acidic to neutral, pH 6.0–7.0.

Use a mix of cactus soil and regular potting soil; avoid heavy clay soils; ensure pots have drainage holes.

Temperature

Thrives in warm conditions, 65–85°F (18–29°C); tolerates brief periods of cooler temperatures but prefers stable warmth.

Monitor temperature fluctuations, protect from drafts, adjust watering based on heat levels.

Fertilizing

every 4–6 weeks during growing season

Apply fertilizer after watering to prevent root burn; flush soil occasionally to prevent salt buildup; reduce frequency in dormant periods.

Propagation

Methods

Stem cuttings or seeds; stem cuttings are more common and reliable for home growers.

Step-by-Step Propagation Guide
  1. Take a 4–6 inch cutting, remove lower leaves, apply rooting hormone, plant in medium, keep moist and warm, wait for roots to form.

Best Time: Spring or early summer when the plant is actively growing.

Environment

Warm, humid environment with indirect light; maintain temperatures around 70–75°F (21–24°C).

Medium

Well-draining mix of perlite and peat moss or cactus mix.

Hormone

Recommended to use rooting hormone to improve success rates.

Timeline

Roots may develop in 3–6 weeks; new growth typically appears after 2–3 months.

Tools Needed

Pruning shears, rooting hormone, small pots, well-draining medium, plastic wrap or propagator.

Quick Tips

Use healthy, non-flowering stems; maintain consistent moisture; provide gentle warmth for faster rooting.

Pruning & Repotting

Pruning Guide
Method

Selective pruning of long or leggy stems, thinning out crowded areas, shaping the canopy for better light penetration.

Pruning Plan

Prune to maintain shape, encourage bushier growth, and remove dead or diseased parts; best done after flowering or in early spring.

Tools

Pruning shears, loppers (for larger stems), gloves, disinfectant for tools.

Checklist

Disinfect tools, prune during dormancy or after flowering, make clean cuts just above a node, remove dead/diseased parts.

Repotting Guide
Best Season

Spring, before the active growing season begins.

Pot Size

Increase pot size by 2–3 inches in diameter; ensure the new pot has drainage holes.

Method

Remove plant gently, trim any circling roots, place in a slightly larger pot with fresh well-draining soil, water lightly after repotting.

Suggestions

Repot every 2–3 years or when roots fill the pot; necessary to refresh soil and provide space for growth.

Checklist

Check root bound status, prepare new pot with drainage, trim roots if necessary, use fresh soil mix, water sparingly after repotting.

Advanced Care Tips

Watering Mastery
Watering Checklist

Check soil moisture, water deeply, ensure drainage, avoid wetting foliage.

How to Apply Water Properly

Water directly at the root zone, ensure water penetrates deeply to reach the root ball, allow excess water to drain completely, water in the morning to reduce evaporation and fungal risk.

Pro Tip: Use a watering can with a narrow spout to direct water precisely to the base of the plant.
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 coarse sand to improve drainage; incorporate compost for fertility; ensure soil is loose and airy.

Temperature Stress Management
Signs of Temperature Issues

Yellowing leaves, leaf drop, stunted growth, or wilting in extreme heat or cold.

Cold Stress

Slows growth, causes leaf drop, and may lead to root damage if temperatures drop below 50°F (10°C).

Solution: Move to a warmer location, provide a heat source if necessary, protect roots with mulch, avoid overwatering in cold conditions.

Hot Stress

Wilting, leaf scorch, reduced flowering, and potential dehydration in prolonged high temperatures.

Solution: Provide shade during peak heat, increase humidity, water more frequently but avoid waterlogging, use mulch to retain soil moisture.

Fertilizing Guide
Fertilizing Checklist

Check growth season, dilute fertilizer, apply to moist soil, avoid contact with foliage.

Fertilizing Method

Use a balanced liquid fertilizer diluted to half strength every 4–6 weeks during the growing season (spring and summer); avoid fertilizing in winter.

Common Problems & Solutions

Yellowing leaves in Senna surattensis may indicate nutrient deficiencies, overwatering, or pest infestations, affecting the plant's photosynthetic efficiency and overall health.

Wilting in Senna surattensis can be caused by water stress, either due to drought or overwatering, leading to reduced turgor pressure and impaired nutrient uptake.

Leaf spots on Senna surattensis may be caused by fungal or bacterial pathogens, resulting in reduced photosynthesis and potential defoliation if left untreated.

Rotting, particularly root rot, can occur in Senna surattensis due to excessive moisture or fungal infections, leading to decay of root tissues and eventual plant death.

Toxicity Warning

Cats
Slightly Toxic

Cats are sensitive to anthraquinone glycosides found in Senna surattensis. Ingestion can result in mild to moderate gastrointestinal irritation, leading to discomfort and potential dehydration.

⚠️ Symptoms:
vomiting diarrhea decreased appetite lethargy
🌿 Toxic Parts:
seeds leaves
⚡ Toxic If:

if eaten

Prevent cats from accessing the plant. Seek veterinary care if ingestion occurs.
Dogs
Slightly Toxic

In dogs, ingestion of Senna surattensis can cause mild gastrointestinal upset due to the presence of anthraquinone glycosides. These compounds can lead to increased bowel activity and potential dehydration if consumed in large amounts.

⚠️ Symptoms:
vomiting diarrhea lethargy dehydration
🌿 Toxic Parts:
seeds leaves
⚡ Toxic If:

if eaten

Keep plants out of reach of pets. Contact a veterinarian if ingestion is suspected.
Humans
Slightly Toxic

Senna surattensis contains anthraquinone glycosides, which can act as laxatives when ingested in sufficient quantities. These compounds stimulate bowel movements by increasing intestinal motility and water secretion. Overconsumption may lead to electrolyte imbalances and potential gastrointestinal distress.

⚠️ Symptoms:
diarrhea abdominal pain nausea electrolyte imbalance
🌿 Toxic Parts:
seeds leaves
⚡ Toxic If:

if eaten

Avoid ingestion of seeds and leaves. Use only under medical supervision for therapeutic purposes.
Important: Keep this plant out of reach of children and pets. If ingestion occurs, contact poison control or veterinary services immediately.

Frequently Asked Questions

Q: How often does Senna surattensis bloom?

A: It blooms year-round in tropical climates, producing bright yellow flower spikes.

Q: Is Senna surattensis drought-tolerant?

A: Yes, it is highly drought-tolerant once established.

Q: Does Senna surattensis attract wildlife?

A: Yes, it attracts bees, butterflies, and birds with its nectar-rich flowers.

Quick Reference
Family: Fabaceae
Care: easy
Light: full sun to partial shade
Water: every 7–10 days during activ
Suitable For: ["busy people (low maintenance)","outdoor landscapers","wildlife supporters (attracts bees, butterflies, birds)"]
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