Botanical Specifications
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- ✓ Greenhouse Direct Dispatch: Dispatched directly from climate-controlled nurseries in secure root thermal packaging with moisture reserves.
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Rex Begonia (Begonia rex-cultorum)
Begonia rex-cultorum
Dramatic ornamental foliage plant with swirling asymmetrical leaves in iridescent silver, deep burgundy, and metallic rose.
About This Botanical
Celebrated as the 'King Begonia', Begonia rex-cultorum is prized exclusively for its theatrical, richly textured foliage, displaying asymmetrical heart-shaped leaves cloaked in metallic silver, deep wine red, and emerald hues with intricate raised veins.
A compact rhizomatous evergreen in the Begoniaceae family, Rex Begonia makes a captivating desk or terrarium accent. It flourishes in bright, filtered indirect light, airy porous substrate, and moderate ambient humidity.
Botanical Care Essentials
- ☀️ Light: Medium to bright indirect light; avoid harsh direct sun that can burn textured leaves.
- 💧 Watering: Allow top 1–2 inches of potting mix to dry; water at soil level avoiding wet foliage.
- 🌱 Soil: Lightweight, porous peat and perlite potting mix with excellent drainage.
- 🐾 Pet Safety: Toxic to dogs and cats (ASPCA listed: soluble calcium oxalates).
⚡ Quick Facts
At a Glance- • Light: Bright indirect light; protect from scorching sun.
- • Water: Allow top 1–2 inches of soil to dry; avoid wetting leaves directly.
- • Mature size: 10–18 inches tall and wide with bushy clumping habit.
- • Pet safety: Toxic to dogs and cats (ASPCA listed: calcium oxalates).
- • Beginner-friendly: Intermediate — sensitive to overwatering and dry air.
“Why are the leaf edges on my Rex Begonia getting crispy or brown?”
Crispy leaf margins signal dry ambient air or underwatering. Maintain 50%+ room humidity and keep soil lightly moist, but avoid misting leaves directly to prevent mildew.
Evidence-Based Indoor Botanical Care
Read in-depth cultivation protocols written by Nick Alan and Jenna Lee covering aroid soil physics, moss pole climbing dynamics, root rot remediation, and seasonal light acclimation.
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