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Description
dieffenbachia brown tips on leaves Dieffenbachia Maculata 'White Etna' – White Etna Dumb Cane – Ed's Plant ShopDieffenbachia Maculata White Etna Dieffenbachia Maculata White Etna is a cultivar of the Araceae prized for its architectural habit and boldly variegated foliage. Each lanceolateovate leaf (2040 cm long) emerges from erect, canelike stems and bears irregular ivorywhite splashes along a deep olivegreen ground. Eds Plant Profile Botanical Name: Dieffenbachia Maculata Cultivar: White Etna Common Name: Dumb Cane White Etna Family: Araceae Native Range:
Dieffenbachia Maculata ‘White Etna’
Dieffenbachia Maculata ‘White Etna’ is a cultivar of the Araceae prized for its architectural habit and boldly variegated foliage. Each lanceolate–ovate leaf (20–40 cm long) emerges from erect, cane‑like stems and bears irregular ivory‑white splashes along a deep olive‑green ground.
Ed’s Plant Profile
- Botanical Name: Dieffenbachia Maculata
- Cultivar: ‘White Etna’
- Common Name: Dumb Cane ‘White Etna’
- Family: Araceae
- Native Range: Central & South America
Ed’s Care Guide
- Care Level: Easy
- Light: Bright, indirect light to maintain variegation; tolerates moderate light but avoid direct sun.
- Water: Water thoroughly when the top 2–3 cm of soil is dry; ensure good drainage.
- Humidity: Prefers moderate humidity; average indoor humidity is sufficient.
- Temperature: 55–82 °F (13–28 °C).
- Feeding: Apply a balanced, diluted houseplant fertilizer every 4–6 weeks during the active growing season.
- Pruning: Remove yellowing or damaged leaves at the base to encourage fresh growth.
Growth & Propagation
This cultivar develops multiple upright canes, forming a clumping habit that reaches 60–90 cm in height. Propagate by division or cane cuttings—allow cut ends to callus before planting in a moist, well‑draining medium.
Common Issues & Toxicity
- Pests: May attract spider mites, aphids, mealybugs, or scale.
- Leaf Tips: Brown tips often indicate low humidity or inconsistent watering.
- Toxicity: Contains calcium oxalate crystals—keep away from pets and children to avoid irritation.
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4.8 ★★★★★
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Product Reviews
★★★★★ 5
If you only buy one technical computer book, this is it
Format: Paperback
Disclaimer: I owned the first edition for years and read it a dozen times, mainly for pleasure since it’s not only informative but also just enjoyable to read. I’m a professional software architect and have dozens of textbooks on computer science and engineering so I’ve been around the block.
This is the kind of book I would buy all for all my friends (if I had more than a couple) and family members (if they were even slightly into computers, which they aren’t sadly). Petzold does an exceptional job at describing digital logic and guides you through building a conceptual CPU from very first principles.
I think his bottom up approach is the way to go and has helped me understand complex topics in an extremely simple way. When I’m not reading fiction, this is my go to bedtime reading.
The second edition has about 100 more pages than the first and some content has been completely reworked and it’s great.
If you ever had even a passing interest in knowing how computers work at a very fundamental level, get this book!
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Reviewed in the United States on January 31, 2023
★★★★★ 4
First programmer?
Format: Paperback
As an ardent reader of the past 1st edition, I was fairly excited to get the latest version. That is, until I encountered the history chapter of the new edition.
For one thing, what I do NOT understand in this second edition is the newly added description of August Ada Byron (countless of Lovelace). The author claims it was Babbage who was the first programmer to design the engines, not Ada. I am not trying to start a futile argument here about who has more or fewer contributions, etc.
What I am trying to assert here is that it is undisputed that Ada (unless the new evidence arises) left *the very first demonstration* of what this seemingly imaginary machine, which didn't even physically exist, was capable of through her program. Because Babbage designed the engine itself, that doesn't automatically put him in the position of a programmer (despite Babbage being a brilliant engineer/scientist and may have had a simple or detailed program in his mind). However, it was Ada who gave a definite touch to programming concepts that ultimately led to modern-day programming. Ada deserves more recognition than a mere "tutorial writer," and she is certainly entitled to the title she deserves.
Other than that, like the previous edition, this book is a must-read for people who are from related/unrelated fields. I always loved the 1st edition, and I would do too with the 2nd. Still, I think history should always be approached with more care, particularly if matters have potential controversies.
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Reviewed in the United States on January 6, 2023
★★★★★ 5
One of the few books worth your time
Format: Paperback
If you want to learn computers, start here. Learning from a historical perspective removes complexity of trying to start with say GPUs - you learn just like computer engineers did, incrementally.
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Reviewed in the United States on April 27, 2026
★★★★★ 5
An absolutely brilliant book
Format: Paperback
This is an amazing book for the right kind of reader. It's a lot like Euclid's Elements but for computers as it leads the reader through designing a computer from first principles and builds to the point of creating software and adding peripherals. It's an amazingly clear but slightly challenging read. I have given this book as a gift many many times. It's an absolute classic in my opinion.
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Reviewed in the United States on March 19, 2025
★★★★★ 5
Great introduction to Godot 4
Format: Kindle
I've been writing various types of software for 10 years and was interested in learning Godot for 2D games. This book turned out to be informative and easy to follow and gave me the knowledge I was seeking. I learn best by example, and this project focused book was excellent in that regard.
If you have zero programming experience, I would recommend learning something like Python before diving into this book. The book teaches with GDScript, which is Godot's Python-like programming language.
There are some minor mistakes in the book, but an errata is currently being kept up-to-date on the github repository for the book. I opened a few issues for things I discovered, and the author added those things to the errata. Keep this in mind if you end up getting stuck on something and are 100% sure you followed the directions in the book.
I use Unreal for 3D games, so I have not yet gone through the chapters of this book for 3D games. I wouldn't expect a drastic drop in quality, but for the purposes of this review I can't give any insight on the 3D chapters.
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Reviewed in the United States on November 6, 2023