Product Field NotesCompanion Plants
Aztec King Mangave: A Giant Silver Star for Summer Containers
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Aztec King mangave is one of the largest mangaves, forming a big, open, upright rosette 20 to 24 inches tall and 38 to 42 inches wide. Its broad, fleshy leaves, up to about 3 inches across, are silvery green and heavily flecked with burgundy in full sun. They arch outward with gently scalloped, wavy edges and soft tip spines, so the whole plant looks like a sculpted silver star.
Aztec King at a glance
| Trait | What to expect |
|---|---|
| Botanical name | x Mangave 'Aztec King' |
| Foliage | Silvery green with burgundy flecks; wavy, scalloped edges |
| Form | Large, upright, open rosette |
| Size | 20 to 24 inches tall, 38 to 42 inches wide |
| Flowers | Rarely flowers |
| Hardiness | USDA zones 9 to 11 |
| Light | Full sun |
| Deer | Resistant |
A focal point among the lavender
Lavender and mangave agree on the basics: hot sun and soil that drains instantly. Where they differ is winter, which is why Aztec King lives in a pot. Set one big container at a corner of the lavender garden, at the end of a gravel path or on a sunny patio. Its silver leaves echo lavender's gray-green foliage, while the size and spiky outline make it a true focal point. Think of it as the summer houseguest that refuses to be ignored.
Because it gets wider than 3 feet, give it a large, heavy pot and room around it. Smaller succulents or trailing annuals can fill the base. Plan the container placements alongside your beds in the Companion Plant Planner.
Care through the year
- Spring: harden it off gradually when moving outdoors, increasing sun over a week or two so leaves do not sunburn.
- Summer: full sun brings out the strongest burgundy flecking. Water when the mix is dry; it tolerates humid summers if the pot drains fast.
- Fall: watch the forecast and bring it in before nights drop below about 40°F. The Frost Date Estimator helps you plan.
- Winter: a bright window or greenhouse with sparing water until spring.
Root and crown rot in cold, wet soil is the main risk. Indoors, check for mealybugs and scale.
Moving a big succulent
A full-size Aztec King in a large pot is heavy. A plant dolly or a pot on casters makes the spring and fall moves much easier on your back. The tip spines are soft, but gloves still help when you are wrestling it through a doorway.
Frequently asked questions
Can it stay outside in winter?
Not in Michigan. It is hardy only in zones 9 to 11 and must come indoors for winter.
How big a pot does it need?
Plan for a rosette over 3 feet wide at maturity. A wide, heavy container with drainage holes and gritty mix works best.
Why are the spots fading?
The burgundy flecking is strongest in full sun. Lower light, such as indoors in winter, softens it.
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