Photo: avocatCC BY 4.0via iNaturalistresized / cropped
Sea Palmetto Plant Care
Sabal maritima (Kunth) Burret
Updated · Sources · How we source care data
This palm's striking blue-green leaves are a standout feature, making it a unique addition to any botanical collection. Originating from coastal regions in the Caribbean, its salt tolerance and ability to withstand strong winds make it a coveted plant for collectors seeking exotic and resilient species.
Every 7–14 days
Full sun to partial shade
60–90°F
50–80%
At a glance
How do you care for Sea Palmetto?
Water Sea Palmetto every 7–14 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 60–90°F (16–32°C) and 50–80% humidity. Fertilize it every 8 months during the growing season.
What Is the Sea Palmetto?
Sea Palmetto (Sabal maritima) belongs to the Arecaceae family within the Sabal genus. Sea Palmetto is native to Jamaica and Cuba. Sea Palmetto is also known as Marritime Palmetto.
Sea Palmetto displays a tall, single-trunk palm growth habit, reaching up to 30 ft tall with a spread of approximately 10 ft. Sea Palmetto produces creamy white flowers in large clusters.
Leaf size: approximately 36 inches.
How Often Should You Water a Sea Palmetto?
Sabal maritima requires watering every 7–14 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 7–14 days
Let soil partially dry between waterings
What Light Does the Sea Palmetto Need?
Sea Palmetto thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Sea Palmetto Prefer?
Sabal maritima grows best at temperatures of 60–90°F. Sea Palmetto prefers humidity levels of 50–80%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
60–90°F
Humidity
50–80%
What Soil Mix Works Best for a Sea Palmetto?
Well-draining sandy soil mix with added organic matter. Good drainage is essential for Sea Palmetto to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Sea Palmetto?
Feed Sea Palmetto every 8 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.
Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.
Fertilizing
Every 8 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Sea Palmetto?
Repot every 2-3 years. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.
How Do You Propagate a Sea Palmetto?
Sea Palmetto can be propagated through seeds, division of offsets. Similar propagation techniques also apply to bermuda palmetto plant care, which shares the same genus.
Is the Sea Palmetto Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Sea Palmetto, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.
This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.
See all plants toxic to cats and plants toxic to dogs.
What Pests and Diseases Affect the Sea Palmetto?
Sea Palmetto is susceptible to spider mites, mealybugs. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.
What USDA Hardiness Zone Does the Sea Palmetto Need?
Sea Palmetto grows outdoors in USDA Zone 9b – 11b. It survives winters down to planting zone 9b. Sea Palmetto is native to Jamaica and Cuba. In cooler regions, grow Sea Palmetto as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 9b – 11b
Keep exploring plants
Sea Palmetto is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Sabal genus — compare its care with other Sabal species on PlantoScan.
Sabal is part of the Arecaceae plant family — browse all Arecaceae genera and species.
Sea Palmetto thrives in bright light and direct sun — see other bright-light plants.
More Sabal Species
Other Sabal species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Sabal maritima (Kunth) Burret, family Arecaceae (first published in Repert. Spec. Nov. Regni Veg. 32: 101. 1933) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Sea Palmetto, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Photo: avocat, CC BY 4.0, iNaturalist — original.
- Hardiness zone: USDA Zone 9b – 11b, estimated from the plant's typical growing conditions.
- Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.
Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.
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