North America Non-native Plant

Madiera Cranesbill

Botanical name: Geranium maderense

USDA symbol: GEMA11

Native status: Not native but doesn't reproduce and persist in the wild

Madiera Cranesbill: A Showstopping Giant for Mild Climate Gardens If you’re looking for a plant that makes a serious statement in your garden, meet the Madiera cranesbill (Geranium maderense). This isn’t your grandmother’s little geranium – we’re talking about a botanical giant that can reach impressive proportions and produce some ...

Madiera Cranesbill: A Showstopping Giant for Mild Climate Gardens

If you’re looking for a plant that makes a serious statement in your garden, meet the Madiera cranesbill (Geranium maderense). This isn’t your grandmother’s little geranium – we’re talking about a botanical giant that can reach impressive proportions and produce some of the most spectacular flower displays you’ll ever see.

What Makes This Plant Special

The Madiera cranesbill is like the gentle giant of the geranium world. This dramatic perennial can grow up to 4-5 feet tall and equally wide, creating an impressive architectural presence in any garden. Its deeply divided, palm-shaped leaves form attractive rosettes, but the real showstopper comes in spring when it produces massive clusters of bright magenta-pink flowers that can literally cover the entire plant.

Where Does It Come From?

This stunning plant is native to the island of Madeira, a Portuguese territory in the Atlantic Ocean off the coast of Morocco. In its homeland, it grows in the island’s unique subtropical climate, thriving in the mild, frost-free conditions that make Madeira famous for its year-round gardening weather.

Is This Plant Right for Your Garden?

Here’s the thing about Madiera cranesbill – it’s absolutely gorgeous, but it’s also quite particular about its growing conditions. This plant is best suited for gardeners in USDA zones 9-11, where temperatures rarely dip below freezing. If you live in a colder climate, you might want to consider it as a container plant that you can protect during winter.

Since this isn’t a native North American species, you might also want to explore native alternatives like wild geraniums (Geranium maculatum) or other native flowering plants that provide similar aesthetic appeal while supporting local ecosystems.

Perfect Garden Situations

The Madiera cranesbill shines in:

  • Mediterranean-style gardens
  • Rock gardens with excellent drainage
  • Large containers or pots
  • Coastal gardens with mild climates
  • As a dramatic specimen plant or focal point

Growing Conditions That Make It Happy

Think Mediterranean when planning for this plant:

  • Sunlight: Partial shade to full sun (some afternoon shade in hot climates)
  • Soil: Well-draining soil is absolutely critical – soggy roots spell disaster
  • Water: Moderate water during growing season, less in winter
  • Temperature: Frost-tender; needs protection below 32°F

Planting and Care Tips

Here’s where things get interesting – Madiera cranesbill is technically a biennial, meaning it has a two-year lifecycle. The first year, it focuses on growing those impressive leaves, and the second year brings the spectacular flower show. After flowering and setting seed, the original plant typically dies, but it often self-seeds for future generations.

Key care tips:

  • Plant in spring after all frost danger has passed
  • Ensure excellent drainage – raise beds if necessary
  • Deadhead spent flowers to encourage more blooms
  • Protect from frost with covers or move containers indoors
  • Allow some flowers to set seed if you want future plants

Benefits for Pollinators

When this plant blooms, it becomes a magnet for bees, butterflies, and other pollinators. The abundant nectar-rich flowers provide an excellent food source, making it a valuable addition to pollinator-friendly gardens in appropriate climates.

The Bottom Line

Madiera cranesbill is definitely a wow plant that can create unforgettable garden moments. However, it’s best suited for gardeners in mild, frost-free climates who can provide the specific conditions it needs. If you’re in the right zone and looking for something truly spectacular, this might be your plant. Just remember to consider native alternatives that can provide similar beauty while supporting local wildlife and ecosystems.

For those in colder climates, don’t despair – container growing can work, though you’ll need to provide winter protection. Sometimes the most rewarding garden adventures come from pushing the boundaries just a little!

Madiera Cranesbill

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Geraniales

Family

Geraniaceae Juss. - Geranium family

Genus

Geranium L. - geranium

Species

Geranium maderense Yeo - Madiera cranesbill

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA