
Light Needs

Mature Height

Mature Spread

Feature
The Tropic Marianne Dieffenbachia (Dieffenbachia 'Tropic Marianne'), also known as the Dumb Cane, is a captivating houseplant admired for its large, paddle-shaped leaves featuring creamy white centers bordered by rich green edges. This tropical beauty adds a touch of elegance to any indoor space with its lush, overlapping foliage. Easy to grow and maintain, it's an excellent choice for both novice and experienced plant enthusiasts looking to enhance their home or office decor. Beyond its stunning appearance, this plant also contributes to cleaner indoor air, making it both a stylish and beneficial addition to your collection.
Best Locations For Growing Tropic Marianne Dieffenbachia
Ideal spots for the Tropic Marianne Dieffenbachia include living rooms, bedrooms, or offices where it can receive ample indirect light. Its moderate size makes it suitable for tabletops, shelves, or floors in smaller spaces. However, keep this plant out of reach of pets and children, as all parts are toxic if ingested and can cause skin irritation upon contact.
Tropic Marianne Dieffenbachia Sunlight Requirements
This plant thrives in medium to bright indirect light. Place it near an east or north-facing window to provide sufficient illumination without exposing it to direct sunlight, which can scorch the leaves. While it can tolerate lower light conditions, brighter light will enhance its variegation and promote healthier growth.
Tropic Marianne Dieffenbachia Care
Plant your Tropic Marianne Dieffenbachia in a well-draining potting mix enriched with organic matter. A standard houseplant soil works well, and adding perlite can improve drainage. Repotting is typically needed every two years or when the plant becomes root-bound, preferably in the spring. Prune any yellowing or damaged leaves at the base to maintain its lush appearance and encourage new growth. The plant appreciates higher humidity levels, so consider misting the leaves regularly or placing it on a tray of wet pebbles.
Watering Tropic Marianne Dieffenbachia
Water when the top 1-2 inches of soil feel dry to the touch. Thoroughly water until excess drains out, but avoid letting the plant sit in standing water to prevent root rot. Reduce watering frequency in the winter months when growth slows. This plant thrives in high humidity; regular misting or using a humidifier can help maintain optimal moisture levels and prevent brown leaf tips.
Feeding Tropic Marianne Dieffenbachia
Feed every four to six weeks during the growing season (spring and summer) with a balanced, water-soluble fertilizer diluted to half strength. This provides essential nutrients for robust growth and bright foliage. There's no need to fertilize during the fall and winter when the plant's growth naturally slows down.
Tropic Marianne Dieffenbachia Information
USDA Hardiness Zones: 10 - 11 |
Plant Type: |
Light Exposure: Full Shade to Partial Shade (0 - 4 Hours Of Direct Sunlight) |
Mature Height: 3 - 4 Feet |
Mature Spread: 2 - 3 Feet |
Spacing: 2 - 3 Feet |
Habit: Upright |
Flower Color(s): White |
Flower Description: White |
Bloom Period: Summer |
Foliage Type: Evergreen |
Foliage Color(s): Green, White |
Foliage Description: Broad, creamy white leaves with green margins. |
Seasonal Interest: 4 Season Interest |
Watering: Average |
Resists: Pests & Insects |
Tolerates: Heat |
Attracts: N/A |
Container Role: Filler |
Uses: Containers, Specimen or Focal Point |
Features: Foliage Interest, Low Maintenance |
Brand: Plant Addicts - HP |
Common Name: Tropic Marianne Dieffenbachia |
Other Name(s): Dumb Cane |
Scientific Name: Dieffenbachia 'Tropic Marianne' |
- SKU:
- 12376946-AS
Please Note: The pictures below are to give a general representation of the different container sizes. The actual size/ages of plants are estimates and will vary based on type of plant, time of year, last pruning & many other factors.

Also Known As:
Mini pot
Plant Age:
~ 2-6 months
Plant Size:
~ 2"-4"
Pot Size:
~ 1.9"H x 2"W
Volume:
~ .012-0.15 quarts

Also Known As:
Small pot
Plant Age:
~ 3-6 months
Plant Size:
~ 2"-6"
Pot Size:
~ 2.5"H x 3"W
Volume:
~ 0.3 quarts

Also Known As:
Quart pot
Plant Age:
~ 6 months
Plant Size:
~ 5"-10"
Pot Size:
~ 3.5"H x 4"W
Volume:
~ 0.75 quarts

Also Known As:
#1 Container
1 Gallon
Plant Age:
~ 6-12 months
Plant Size:
~ 8"-16"
Pot Size:
~ 5"H x 6"W
Volume:
1.5 quarts

Also Known As:
Large pot
Plant Age:
~ 1-2 years old
Plant Size:
~ 12"-24"
Pot Size:
~ 6"H x 8"W
Volume:
~ 3 quarts

Also Known As:
'
Plant Age:
~ 2-3 years
Plant Size:
~ 16"-36"
Pot Size:
~ 7.25"H x 10”W
Volume:
~ 4.5-5 quarts

We stand behind our plants with industry-leading guarantees to give you peace of mind.
We want your plants to arrive in great condition! If you notice any issues upon delivery, contact us within 3 days.
All houseplants come with an extended 30-day warranty for added confidence. If your plant dies due to a health issue within 30 days, we’ll make it right.

All of our houseplants typically ship within 2-3 business days after your order is placed.
Plant Addicts ships to the lower 48 states within the U.S. Unfortunately, we do not currently ship to Alaska, Hawaii, or internationally.
If you have any questions about shipping restrictions, feel free to reach out to our team!