Oliveleaf Broom

cytisophyllum sessilifolium

Also known as: ["Oliveleaf Broom","Sessile-leaved Broom"]

Family: Fabaceae Genus: Cytisophyllum Category: Shrubs

Overview

A deciduous shrub native to the Mediterranean region, characterized by its olive-like leaves and yellow flowers.

Benefits & Perks

["fragrant flowers","wildlife attractant (bees, butterflies, birds)","drought tolerant"]

Botanical Classification

Phylum: Magnoliophyta
Class: Magnoliopsida
Order: Fabales
Family: Fabaceae
Genus: Cytisophyllum
Botanical Name: Cytisophyllum sessilifolium

Plant Characteristics

Basic Information
  • Category: Shrubs
  • Suitable Location: outdoor garden bed in a sheltered spot
  • Suitable For:
    Collectors & Enthusiasts Outdoor Landscapers Wildlife Supporters
  • Is Weed: No
  • Allergenicity: low
Environmental Needs
  • Climate: {"temperatureRange":"5–25°C"}
  • Hardiness: {"zones":"7–9"}
  • 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.
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.
Care Details

Ideal Sunlight Coverage:
Bright indirect light for 6–8 hours daily; tolerates partial shade, especially in hot climates.

Sunlight Tolerance Tips:
Acclimate gradually to intense light; protect from direct midday 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 full sun

Rotate plant for even growth; use sheer curtains to filter intense light; avoid sudden light changes.

Watering

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

Water thoroughly but infrequently; ensure proper drainage; adjust based on season and growth stage.

Soil

well-draining, loamy soil with some organic matter

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

Use a mix of potting soil and perlite; avoid heavy clay soils; ensure bottom drainage.

Temperature

Prefers 60–75°F (15–24°C); cooler temperatures (down to 50°F/10°C) in winter promote dormancy.

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

Fertilizing

every 4–6 weeks during spring and summer

Fertilize only when actively growing; flush soil occasionally to prevent salt buildup; avoid over-fertilizing.

Propagation

Methods

Stem cuttings in spring or early summer.

Step-by-Step Propagation Guide
  1. Take 4–6 inch cuttings.
  2. Remove lower leaves.
  3. Dip in rooting hormone.
  4. Plant in medium.
  5. Maintain humidity.

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

Environment

High humidity (70–80%), warm temperatures (65–75°F/18–24°C), and indirect light.

Medium

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

Hormone

Rooting hormone recommended for faster root development.

Timeline

Roots develop in 4–6 weeks; establish in new pot after 2–3 months.

Tools Needed

Pruning shears, rooting hormone, small pots, humidity dome.

Quick Tips

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

Pruning & Repotting

Pruning Guide
Method

Selective thinning and heading back to promote branching.

Pruning Plan

Prune to maintain shape, encourage bushiness, and remove dead/diseased growth.

Tools

Clean, sharp pruning shears, sterilizing solution.

Checklist

Sterilize tools; prune dead/diseased wood; shape plant; clean up debris.

Repotting Guide
Best Season

Early spring before active growth starts.

Pot Size

Increase pot size by 1–2 inches in diameter.

Method

Remove plant gently; trim roots if needed; place in new pot with fresh soil; water lightly.

Suggestions

Repot every 2–3 years or when roots outgrow the pot; beneficial for rejuvenation.

Checklist

Check root bound status; prepare new pot; use fresh soil; 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; avoid wetting foliage; allow excess water to drain completely.

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 sand for drainage; incorporate compost for fertility; ensure aeration.

Temperature Stress Management
Signs of Temperature Issues

Wilting, leaf drop, or stunted growth in extreme heat; yellowing or browning leaves in cold stress.

Cold Stress

Slows growth; may cause leaf discoloration or dieback if exposed to prolonged cold below 50°F (10°C).

Solution: Move to a warmer location; insulate roots with mulch; avoid cold drafts.

Hot Stress

Leaves may scorch, wilt, or drop; growth may cease in excessive heat above 85°F (29°C).

Solution: Provide shade; increase humidity; water more frequently but avoid waterlogging.

Fertilizing Guide
Fertilizing Checklist

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

Fertilizing Method

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

Common Problems & Solutions

Yellowing of leaves in Cytisophyllum sessilolium can indicate nutrient deficiencies, such as nitrogen or iron, or may be a response to environmental stressors like overwatering or poor drainage.

Wilting in Cytisophyllum sessilifolium is typically a sign of water stress, either due to insufficient watering or root damage that impairs water uptake.

Leaf spots on Cytisophyllum sessilifolium may be caused by fungal or bacterial pathogens, often exacerbated by high humidity or overhead watering, leading to reduced photosynthetic efficiency.

Rotting, particularly root or stem rot, in Cytisophyllum sessilifolium is often caused by excessive moisture and poor soil drainage, leading to fungal infections that compromise plant health.

Toxicity Warning

Cats
Slightly Toxic

Cats may experience mild gastrointestinal and neurological symptoms upon ingestion of Cytisophyllum sessilifolium due to alkaloid content. The effects are generally mild but should be monitored.

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

if eaten

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

In dogs, ingestion of Cytisophyllum sessilifolium can lead to mild gastrointestinal upset and mild neurological symptoms due to the presence of alkaloids. The effects are typically not life-threatening but can cause discomfort.

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

if eaten

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

Cytisophyllum sessilifolium contains alkaloids that can cause mild gastrointestinal distress and mild neurological effects when ingested in significant quantities. The physiological impact is generally limited to discomfort rather than severe systemic toxicity.

⚠️ Symptoms:
nausea vomiting abdominal pain dizziness
🌿 Toxic Parts:
seeds young leaves
⚡ Toxic If:

if eaten

Avoid ingestion of seeds and young leaves. Keep away from 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: Is Cytisophyllum sessilifolium toxic to pets?

A: There is insufficient data to determine toxicity to pets.

Q: How often should I water this plant?

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

Q: Does this plant attract wildlife?

A: Yes, it attracts bees, butterflies, and birds due to its fragrant flowers.

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