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Plant guide

Silk floss tree.

Ceiba speciosa

Pronounced SAY-buh spee-see-OH-suh

Also known as Silk Floss Tree, floss-silktree, silk-floss tree

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The silk floss tree is a stunning tropical specimen known for its dramatic, thorny trunk and vibrant pink flowers. It makes a bold statement in large landscapes where it has room to spread its canopy. You will love watching it bloom in the cooler months when other plants start to fade.

At a glance

Care level
Moderate
Plant type
Deciduous tree
Light
Full sun
Indoor light
Direct sun
Water
Every 7 to 14 days
Mature size
30 to 60 feet
Growth rate
Fast

Care

Give this tree plenty of sun and well draining soil to keep it happy. Watch for yellowing leaves which can indicate overwatering or poor drainage. It is quite drought tolerant once established but appreciates regular moisture while young.

Watering
Water deeply when the top few inches of soil feel dry to the touch.
Feeding
Apply a balanced fertilizer during the active growing season.
Pruning
Prune only to remove dead or crossing branches during the dormant winter season.
Repotting
Repot young trees every few years until they reach a size suitable for permanent ground planting.
Soil
Well draining sandy or loamy soil
Soil pH
6.0 to 7.5

Safety

Pets
This plant is generally considered non toxic to cats and dogs.

How to identify it

  • Large, sharp thorns on trunk
  • Palmate leaves with five leaflets
  • Showy pink flowers with white centers
  • Large, pear shaped seed pods
  • Fluffy white fibers inside pods

Science

Family
Malvaceae
Genus
Ceiba
Order
Malvales
Class
Magnoliopsida

Taxonomy resolved against GBIF.

Is your silk floss tree looking unwell?

This page is a general guide. Pocket Botanist diagnoses problems from a photo of your actual plant, works out watering for your light and conditions, and reminds you when care is due.

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This guide was generated with AI and checked against GBIF taxonomy. It is general information, not horticultural or veterinary advice. Read about how we build these guides.