If you want every car on your street to slow down and stare, plant a Bismarck Palm. With massive silver-blue fan fronds spanning up to 12 feet across and a commanding presence that dominates any landscape, the Bismarck Palm (Bismarckia nobilis) is the ultimate statement palm for Florida properties.
Bismarck Palm Quick Profile
- ✓Mature height: 30-50 feet
- ✓Canopy spread: 15-20 feet
- ✓Growth rate: Slow to moderate — 1-2 feet per year
- ✓Cold hardiness: Zone 9b-11 (silver variety hardy to about 25°F)
- ✓Light: Full sun — essential for best color and form
- ✓Drought tolerance: Excellent once established
- ✓Native to Madagascar
Silver vs. Green Bismarck Palm
Bismarck Palms come in two color forms: the stunning silver-blue variety (most popular) and a green variety. The silver form is slightly more cold hardy and dramatically more eye-catching. The green form grows slightly faster but lacks the showstopping color. Almost all Bismarcks sold in Florida are the silver-blue form.
Space Requirements — Read This Before Planting
The biggest mistake people make with Bismarck Palms is planting them in spaces that are too small. Those enormous fan fronds need room. A mature Bismarck Palm requires a minimum clear radius of 10 feet from the trunk in all directions — and more is better.
- ✓Minimum distance from structures: 15-20 feet
- ✓Minimum distance from other large palms: 15 feet
- ✓Minimum distance from power lines: 20 feet
- ✓Not suitable for small yards, narrow side yards, or close to pools
- ✓Ideal placement: Center of a large front yard, corner of a spacious backyard, estate entrance
Investment Value: Large Bismarck Palms are among the most valuable residential trees in Florida. A mature specimen can add $5,000-$15,000+ to property value. They grow slowly, so buying a larger one is an investment that pays off immediately.
Bismarck Palm Care in Florida
- ✓Water: Regular during establishment, drought tolerant once mature
- ✓Fertilizer: Palm-specific 8-2-12, 3 times per year
- ✓Pruning: Remove only fully dead, brown fronds — never trim green or yellow fronds
- ✓Pests: Very few — occasionally scale insects on fronds
- ✓Disease: Rarely affected by disease when properly cared for
Hurricane Considerations
The Bismarck Palm's massive fan fronds do catch significant wind during hurricanes. While established Bismarcks usually survive storms, they are more vulnerable to wind damage than species with pinnate (feather-shaped) fronds like Royal or Foxtail Palms. In hurricane-prone areas, plant in a somewhat sheltered location if possible.
Looking for a Bismarck Palm? Florida Palm and Plant Co. carries Bismarck Palms in sizes from 15-gallon containers to large field-grown specimens. Call (239) 799-5594 for availability and pricing.