Houseplant
Dumb Cane
Dieffenbachia
Varieties We Carry
CamouflageDieffenbachia seguine
Sizes & Pricing
8 inFrom$29.95
Fresh this week. Last restocked Mar 4.
LightPart Shade, Full Shade
WaterModerate
Mature size4-6 feet × 2-3 feet (in landscape or large containers)
About Dumb Cane
Dieffenbachia is a genus of robust tropical foliage plants from Central and South America, featuring large, boldly patterned leaves in combinations of dark green, cream, and yellow. A classic houseplant and interior landscaping staple, the genus contains numerous species and cultivars prized for their dramatic, variegated foliage. Starting at $29.95.
Plant details
- Bloom Season
- Non-flowering
- Flower Color
- Non-flowering
- Growth Rate
- Moderate
- Foliage
- Evergreen
- Soil
- Loam, Well-drained
Best planting months
Recommended forZone 9b · St. Augustine, FL
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This monthGood windowOther months
Seasonal care
Good planting window.
Higher water demand in summer heat.
Ideal planting window.
Retains foliage through winter.
Care essentials
Light
Prefers bright indirect light to partial shade; tolerates full shade but growth slows and foliage loses its bold pattern. Protect from direct Florida afternoon sun, which scorches the large leaves.
Water
Water regularly, allowing the top inch of soil to dry between waterings; never let the plant sit in standing water. NE Florida's humidity is beneficial, but root rot occurs readily in soggy media — always use well-draining soil.
Soil & Fertilizer
Use a quality, well-draining potting mix with a pH of 5.0–6.0. Fertilize with a balanced liquid fertilizer (3-1-2 NPK ratio) monthly during the growing season; reduce or stop feeding in cooler winter months.
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Common questions
Is Dumb Cane a good plant for St. Augustine?
Dumb Cane is a houseplant for Zone 9b coastal Florida gardens, reaching 4-6 feet × 2-3 feet (in landscape or large containers).
Care information verified from
Last reviewed February 2026. Our care guidance comes from trusted horticulture sources and decades of helping St. Augustine gardeners. Conditions here can vary dramatically from one area to the next, so come ask us and we'll tailor it to your yard.