Silver Bush Morning Glory (Convolvulus cneorum)

Silver Bush Morning Glory

Convolvulus cneorum

Silvery foliage glows softly in sun, a low, neat evergreen shrub. Common names: Silver Bush Morning Glory, Bush Convolvulus.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Thrives in full sun to partial shade; silvery foliage tolerates intense summer sunlight better than dark-leaved plants
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Watering Water deeply when the top 5–7 cm of soil dries out; avoid overwatering to prevent root rot in poorly drained soils
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Temperature Hardy to -5°C; withstands mild frost and summer heat up to 35°C, with best growth in temperate conditions
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Characteristics

  • Leaf: Silvery-grey, oval to lanceolate, densely hairy, evergreen
  • Flower: White funnel-shaped blooms with pale pink throats, 3–4 cm diameter
  • Stem: Woody, branching, covered in fine silvery hairs
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Horticulturist's Insider Field Notes (No AI Fluff)

The Golden 'Finger Test' Rule

Never water on a strict calendar. Stick your index finger 2 inches into the soil. If it feels cool and damp, wait 2–3 days. If bone dry, water thoroughly until it drains from the bottom holes.

Empty the Saucer After 20 Minutes

The #1 houseplant killer is water sitting in the catch tray. Stagnant runoff water starves roots of oxygen and causes root rot.

Turn the Pot Every 2 Weeks

Houseplants naturally lean toward the nearest window light. Give the pot a quarter-turn biweekly to maintain balanced, symmetrical architecture.

Wipe the Dust Away

Dust on leaves acts like a heavy sunshade. Gently wipe broad foliage with a damp cloth monthly to maximize photosynthesis and air purification.

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Care Guide

Watering

Keep soil evenly moist during active growth; increase frequency during extreme heatwaves

Fertilization

Apply diluted balanced fertilizer once monthly. Discontinue fertilization in autumn and winter

Eggshell powder topdressing:Crush baked eggshells and mix into topsoil to boost calcium levels and improve drainage; limit to 1–2 tbsp per plant to avoid soil alkalinity
Pruning
  • Prune lightly immediately after flowering to maintain compact shape and encourage new growth
  • Remove dead or damaged branches in early spring to improve airflow
  • Trim back leggy stems by one-third in late winter to promote bushier growth
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Pet & Human Toxicity & Emergency Guide

🟢 Pet-Safe (Non-Toxic to Cats & Dogs)

Pet Safety Verified: According to clinical veterinary databases (ASPCA), Silver Bush Morning Glory (Convolvulus cneorum) is non-toxic to both cats and dogs, making it an excellent choice for pet-friendly homes.

Pet Tolerance

Leaves, stems, and flowers contain no systemic toxins or hazardous oxalates; safe for curious puppies and kittens.

Mild Fiber Sensitivity

While non-toxic, excessive consumption of fibrous leaves may cause mild, temporary stomach upset or regurgitation.

Recommended Placement

Safe for low tables, living rooms, and active pet environments.

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Troubleshooting & Common Plant Problems

Quick diagnostic guide for common care issues affecting Silver Bush Morning Glory (Convolvulus cneorum):

Yellowing Leaves

Most commonly caused by overwatering or poor drainage. Ensure topsoil dries out between waterings and check for root ventilation.

Brown or Crispy Leaf Tips

Low ambient humidity, hard tap water minerals, or direct midday sunburn. Increase humidity and use filtered water.

Drooping or Wilting Foliage

Indicates dehydration or root damage from prolonged waterlogging. Inspect soil moisture and root firmness.

Common Pests (Spider Mites, Aphids)

Dry indoor air encourages pests. Wipe leaves with a damp cloth and treat with insecticidal soap or neem oil.

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Propagation & Repotting Guide

  • Taking Cuttings: During active spring or summer growth, take a healthy 4–6 inch cutting just below a node using clean shears.
  • Rooting Medium: Place cuttings in fresh water or moist perlite mix in bright, indirect light; refresh water weekly.
  • Potting Up: Transplant into well-draining potting mix once roots reach 2 inches in length (typically 3–5 weeks).
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Seasonal Care Calendar

  • Spring & Summer (Active Growth): Water thoroughly as topsoil dries; apply diluted balanced fertilizer monthly; encourage steady growth.
  • Autumn (Transition): Gradually reduce watering frequency as daylight hours shorten; discontinue fertilization.
  • Winter (Dormancy): Water sparingly only when soil is mostly dry; protect from cold window drafts; keep in warm room.
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Frequently Asked Questions

How often should I water my Silver Bush Morning Glory?

Water thoroughly when the top 1–2 inches of soil feel dry. In active growth (spring/summer), water every 1–2 weeks; reduce significantly in winter.

Where is the best indoor location for Silver Bush Morning Glory?

Position in bright, filtered indirect light (e.g., near an east or south-facing window with sheer curtains). Avoid harsh direct midday sun.

Is Silver Bush Morning Glory toxic to pets?

ASPCA-verified non-toxic to cats; no reported toxicity

When should I repot my Silver Bush Morning Glory?

Repot every 1–2 years in spring when roots outgrow the drainage holes or the soil depletes nutrients.

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental groundcover, rock garden specimen, container plant; provides silvery foliage contrast in mixed borders

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