Adenium arabicum 'Mammoth' — Massive-Caudex Heavyweight Thai Hybrid Seeds

What you're getting

• 10 fresh-harvested Adenium arabicum 'Mammoth' seeds, Thai-grown
• An arabicum line selected for one thing above all — caudex scale
• Printed germination instructions in every packet
• Packed fresh for viability
• Ships from my Kentucky bench — U.S. domestic only

About the plant

Adenium arabicum 'Mammoth' makes no apology for what it is — a line bred toward maximum caudex development. That means the low, heavy, swollen base that turns a mature specimen into a showpiece. If you're growing for size, starting from seed is the right move: you get to train that caudex from the very first repotting.

Growing it in Zone 6 — and anywhere cold

I've grown arabicum in Northern Kentucky for over 30 years, and Mammoth wants what the rest of them want: warmth, strong light, and a fast-draining inorganic mix. Give the seed bottom heat to germinate, keep young seedlings warm and bright through their first winter indoors, and go easy on the water while they establish.

What you'll need to grow these

Seeds are only half the equation — germination comes down to the setup. Here's what I use:

• Desert Oasis Potting Media — the fast-draining inorganic mix I built for Adenium, Plumeria, and caudex seedlings once they're up and potted on.
• Luxbird Seed Germinator & Propagation Kit — bottom heat and a humidity dome, the two things that push germination rates up.
• 5×5 Germination Tray — sized for clean single-variety sowing so nothing gets crossed up.

See the full Desert Oasis range at americanadenium.com.

Who you're buying from

I'm Michael White — ISA Certified Arborist (KY-0847A), Kentucky Master Gardener, and a U.S. Navy veteran who's grown Adenium, Plumeria, and Pachypodium in Zone 6 Northern Kentucky for over 30 years. Every seed lot I sell is stock I'd sow on my own bench, packed fresh with the germination instructions I use myself. American Adenium ships within the United States.