Caper Bush

capparis spinosa

Also known as: ["Rock Caper","Wild Caper"]

Family: Capparaceae Genus: Capparis Category: Herbs & Weeds

Overview

A low-growing, spreading shrub native to the Mediterranean region, known for its edible flower buds (capers) and leaves.

Benefits & Perks

["edible fruits","medicinal use","culinary herb","wildlife attractant (bees, butterflies, birds)","drought tolerant","shade tolerant"]

Botanical Classification

Phylum: Magnoliophyta
Class: Magnoliopsida
Order: Brassicales
Family: Capparaceae
Genus: Capparis
Botanical Name: Capparis spinosa

Plant Characteristics

Basic Information
  • Category: Herbs & Weeds
  • Suitable Location: rock garden, wall crevices, or sunny, dry slope
  • Suitable For:
    Beginners Busy People (low Maintenance) Edible Gardeners Fragrance Lovers Wildlife Supporters
  • Is Weed: No
  • Allergenicity: low
Environmental Needs
  • Climate: {"temperatureRange":"5–40°C"}
  • Hardiness: {"zones":"8–10"}
  • Misting: rarely required
  • Drainage: Fast-draining to prevent waterlogging.
  • Soil Type: Well-draining, sandy or loamy soil with added organic matter; cactus or succulent mix is ideal.
Maintenance Level
  • Maintenance Level: low
  • Toughness Level: high
  • 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 intense summer sun but benefits from partial shade in extreme heat.

Sunlight Tolerance Tips:
Acclimate gradually to full sun if moved from shade; protect from harsh midday sun in hot climates; ensure outdoor placement in well-ventilated areas.

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

Rotate plant for even light exposure; use shade cloth in extreme heat; avoid sudden light changes.

Watering

every 7–14 days, less frequently in winter

Water thoroughly but infrequently; allow soil to dry between waterings; avoid overwatering to prevent root rot.

Soil

well-draining, rocky or sandy soil

pH: Slightly acidic to neutral (pH 6.0–7.0).

Use a mix with 50% inorganic material; avoid heavy clay soils; ensure pots have drainage holes.

Temperature

Ideal range 60–85°F (15–29°C); tolerates brief frosts but prefers warm, dry conditions; thrives in arid environments.

Avoid sudden temperature shifts; protect from frost; ensure good air circulation in heat.

Fertilizing

every 4–6 weeks during active growth

Fertilize only during active growth; flush soil occasionally to prevent salt buildup; use a cactus-specific formula for best results.

Propagation

Methods

Stem cuttings or seed; stem cuttings are more reliable for home growers.

Step-by-Step Propagation Guide
  1. Take a 4–6 inch cutting.
  2. Remove lower leaves.
  3. Dip in rooting hormone.
  4. Plant in medium.
  5. Keep moist and warm.

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

Environment

Warm (70–75°F), high humidity (70–80%), and bright indirect light.

Medium

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

Hormone

Recommended to use rooting hormone for faster and more reliable rooting.

Timeline

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

Tools Needed

Pruning shears, rooting hormone, small pots, well-draining medium.

Quick Tips

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

Pruning & Repotting

Pruning Guide
Method

Selective thinning and heading back to shape the plant and improve airflow.

Pruning Plan

Prune to maintain shape, encourage bushiness, and remove dead or overgrown stems.

Tools

Pruning shears, sterilizing solution, gloves.

Checklist

Sterilize tools; prune dead/damaged stems; shape the plant; clean up debris.

Repotting Guide
Best Season

Early spring before active growth starts.

Pot Size

Move to a pot one size larger (1–2 inches wider in diameter).

Method

Remove plant gently; trim roots if necessary; repot in fresh, well-draining soil; ensure proper drainage.

Suggestions

Repot every 2–3 years or when roots fill the pot; beneficial for younger plants to encourage growth.

Checklist

Check root bound status; prepare new pot with drainage; use fresh soil; water lightly after repotting.

Advanced Care Tips

Watering Mastery
Watering Checklist

Check soil moisture; water deeply; ensure drainage; adjust seasonally.

How to Apply Water Properly

Water directly at the root zone until water drains from the bottom; ensure even moisture without waterlogging; water in the morning to reduce evaporation and fungal risk.

Pro Tip: Use a watering can with a long spout to direct water precisely to the roots, avoiding foliage.
Watering Schedule Tips

Water deeply once every 7–10 days during active growth in spring and summer; reduce to every 3–4 weeks in fall and winter; adjust based on rainfall and soil dryness.

Soil Improvement

Add perlite or coarse sand to improve drainage; incorporate compost for fertility; ensure aeration with chunky materials.

Temperature Stress Management
Signs of Temperature Issues

Chlorosis or leaf drop in cold stress; wilting or scorching in excessive heat.

Cold Stress

Growth slows; leaves may yellow or drop; risk of frost damage in prolonged cold.

Solution: Move to a warmer location; apply a thick layer of mulch; protect with frost cloth if temperatures drop below 28°F (-2°C).

Hot Stress

Wilting despite moist soil; leaf scorch; reduced flowering.

Solution: Provide afternoon shade; increase humidity with misting; ensure consistent watering.

Fertilizing Guide
Fertilizing Checklist

Check growth phase; dilute fertilizer; apply to moist soil; avoid contact with roots.

Fertilizing Method

Use a balanced, water-soluble fertilizer diluted to half strength every 4–6 weeks during spring and summer; avoid fertilizing in fall and winter.

Common Problems & Solutions

Yellowing leaves in Capparis spinosa may indicate nutrient deficiencies, such as nitrogen or iron, water stress, or pest infestations, affecting overall plant health and productivity.

Wilting in Capparis spinosa is often a sign of water stress, either due to insufficient watering or root damage from pests or diseases, which can lead to reduced growth and potential plant death.

Leaf spots on Capparis spinosa can be caused by fungal or bacterial pathogens, resulting in reduced photosynthetic efficiency, premature leaf drop, and potential spread to other parts of the plant.

Rotting in Capparis spinosa, particularly root or stem rot, is commonly caused by overwatering or fungal infections, leading to decay of plant tissues and eventual plant death.

Toxicity Warning

Cats
Non-toxic

Capparis spinosa is typically non-toxic to cats when consumed in small amounts. The caper buds are not known to be harmful to felines. However, excessive ingestion of berries may result in mild gastrointestinal issues.

⚠️ Symptoms:
vomiting diarrhea
🌿 Toxic Parts:
berries
⚡ Toxic If:

if eaten in moderation

Keep an eye on your cat if they ingest a significant amount of caper berries to prevent mild digestive upset.
Dogs
Non-toxic

Capparis spinosa is generally considered non-toxic to dogs when ingested in small quantities. The caper buds are not known to cause significant toxicity in canines. However, large quantities of berries may lead to mild gastrointestinal upset.

⚠️ Symptoms:
vomiting diarrhea
🌿 Toxic Parts:
berries
⚡ Toxic If:

if eaten in moderation

Monitor your dog if they consume large amounts of caper berries to ensure no adverse reactions occur.
Humans
Non-toxic

Capparis spinosa, commonly known as caper bush, is generally non-toxic to humans when consumed in moderation. The unopened flower buds (capers) are widely used as a culinary ingredient and are safe for consumption. However, the berries may cause mild gastrointestinal discomfort if consumed in large quantities.

⚠️ Symptoms:
mild stomach upset nausea
🌿 Toxic Parts:
berries
⚡ Toxic If:

if eaten in moderation

Consume capers and berries in moderation to avoid potential gastrointestinal discomfort.

Frequently Asked Questions

Q: Are caper bushes easy to grow?

A: Yes, they are drought-tolerant and require minimal maintenance once established.

Q: Can I eat the leaves of the caper bush?

A: Yes, the leaves (caper leaves) are edible and can be pickled or used fresh in cooking.

Q: Do caper bushes attract wildlife?

A: Yes, they attract bees, butterflies, and birds due to their nectar-rich flowers.

Quick Reference
Family: Capparaceae
Care: easy
Light: full sun
Water: every 7–14 days, less freque
Suitable For: ["beginners","busy people (low maintenance)","edible gardeners","fragrance lovers","wildlife supporters (attracts bees, butterflies, birds)"]
Get Expert Care Tips

Download the Plantious app for personalized care reminders and plant identification!

Google Play App Store
Share This Plant

Related Plants

Gum Capers
View
Small-leaved Caper Bush
View
Angolan Caper
View
Sicilian Caper
View