Hollyhock Shrimp Plant

pachystachys coccinea

Also known as: ["Hollyhock Shrimp Plant","Red Shrimp Plant"]

Family: Acanthaceae Genus: Pachystachys Category: Flowers

Overview

A tropical shrub with striking red bracts and tubular flowers, 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: Pachystachys
Botanical Name: Pachystachys coccinea

Plant Characteristics

Basic Information
  • Category: Flowers
  • Suitable Location: indoor pot in a bright, humid room or shaded outdoor garden bed
  • Suitable For:
    Collectors & Enthusiasts Outdoor Landscapers Wildlife Supporters
  • Is Weed: No
  • Allergenicity: low
Environmental Needs
  • Climate: {"temperatureRange":"18–30°C"}
  • Hardiness: {"zones":"9–11"}
  • Misting: every 2–3 days to maintain moderate humidity
  • 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: Light pruning every 2–3 months; heavier pruning in late winter or early spring.
  • 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.

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

Care Requirements

Care Difficulty
moderate

moderate

Sunlight

partial shade to filtered sunlight

Rotate plant for even growth; use sheer curtains to filter intense light; move outdoors in spring/summer for stronger light.

Watering

every 7–10 days, allowing soil to dry slightly between waterings

Water thoroughly until it drains from the bottom, allow soil to dry between waterings, avoid overwatering.

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; topdress with compost annually.

Temperature

Prefers 65–85°F (18–29°C); cooler temperatures in winter (55–60°F or 13–15°C) can promote dormancy.

Avoid sudden temperature changes; protect from drafts; maintain consistent indoor temperatures.

Fertilizing

every 4–6 weeks during active growth (spring and summer)

Fertilize after watering to prevent root burn; flush soil occasionally to prevent salt buildup; avoid overfertilizing.

Propagation

Methods

Stem cuttings in spring or early summer.

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

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 indirect light.

Medium

Well-draining potting mix with perlite or sand.

Hormone

Rooting hormone is recommended to speed up root development.

Timeline

Roots typically develop in 4–6 weeks; new growth may take 2–3 months.

Tools Needed

Pruning shears, rooting hormone, small pots, plastic bags or propagator, misting bottle.

Quick Tips

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

Pruning & Repotting

Pruning Guide
Method

Pinch back tips for bushier growth; cut just above a leaf node or bud.

Pruning Plan

Prune to maintain shape, encourage bushier growth, and remove dead or leggy stems.

Tools

Clean, sharp pruning shears or scissors.

Checklist

Sanitize tools, prune dead/damaged growth, shape the plant, remove crossing branches, clean up debris.

Repotting Guide
Best Season

Early spring before new growth begins.

Pot Size

Increase pot size by 2–3 inches in diameter; avoid oversized pots.

Method

Use fresh potting mix, ensure good drainage, gently tease out crowded roots, and water thoroughly after repotting.

Suggestions

Repot every 2–3 years or when roots fill the pot; beneficial for growth and soil freshness.

Checklist

Choose new pot, prepare soil mix, inspect roots, position plant correctly, water and place in appropriate light.

Advanced Care Tips

Watering Mastery
Watering Checklist

Check soil moisture, water deeply, ensure drainage, adjust for season.

How to Apply Water Properly

Water directly at the root zone, ensure even moisture distribution, allow excess water to drain, water in the morning to reduce evaporation.

Pro Tip: Use room temperature water to avoid shocking the roots.
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 for drainage; incorporate organic matter like compost for fertility.

Temperature Stress Management
Signs of Temperature Issues

Yellowing leaves, leaf drop, stunted growth, or bud drop due to extreme heat or cold.

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, avoid cold drafts, and protect from frost.

Hot Stress

Wilting, leaf scorch, and reduced flowering due to prolonged exposure to temperatures above 90°F (32°C).

Solution: Provide shade, increase humidity, water more frequently, and ensure good air circulation.

Fertilizing Guide
Fertilizing Checklist

Check fertilizer type, dilute correctly, apply during growing season, monitor for signs of overfertilization.

Fertilizing Method

Use a balanced liquid fertilizer diluted to half strength every 4–6 weeks during growing season (spring/summer); reduce or stop in fall/winter.

Common Problems & Solutions

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

Wilting in Pachystachys coccinea can result from water stress, either due to under or overwatering, disrupting nutrient uptake and potentially leading to plant death if not addressed.

Leaf spots on Pachystachys coccinea may be caused by fungal or bacterial infections, leading to reduced photosynthesis and potential defoliation if severe.

Rotting, particularly root or stem rot, can occur in Pachystachys coccinea due to excessive moisture or fungal pathogens, leading to decay and eventual plant death.

Toxicity Warning

Cats
Slightly Toxic

Cats may experience mild gastrointestinal upset if they ingest Pachystachys coccinea. The plant is not highly toxic but can cause mild symptoms.

⚠️ Symptoms:
vomiting diarrhea depression
🌿 Toxic Parts:
leaves stems
⚡ Toxic If:

if eaten

Keep plants away from cats. Seek veterinary advice if ingestion is suspected.
Dogs
Slightly Toxic

In dogs, ingestion of Pachystachys coccinea can lead to mild gastrointestinal upset. The plant is not considered highly toxic but can cause discomfort.

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

if eaten

Monitor pets closely. Contact a veterinarian if ingestion occurs.
Humans
Slightly Toxic

Pachystachys coccinea contains compounds that can cause mild gastrointestinal distress when ingested. The plant's effects are generally not severe but can lead to discomfort.

⚠️ Symptoms:
nausea vomiting abdominal pain
🌿 Toxic Parts:
leaves stems
⚡ Toxic If:

if eaten

Avoid ingestion. Keep out of reach of children and pets.
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 should I water Pachystachys coccinea?

A: Water moderately, allowing the soil to dry slightly between waterings.

Q: Does this plant require full sun?

A: It thrives in partial shade to full sun, but protection from intense afternoon sun is recommended.

Q: Is Pachystachys coccinea suitable for indoor growing?

A: It is primarily an outdoor plant, but can be grown indoors with bright, indirect light and high humidity.

Quick Reference
Family: Acanthaceae
Care: moderate
Light: partial shade to filtered sunl
Water: every 7–10 days, allowing so
Suitable For: ["collectors/enthusiasts","outdoor landscapers","wildlife supporters (attracts bees, butterflies, birds)"]
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