Aglaonema 'Siam' is the Chinese Evergreen that arrived from Thailand wearing the most saturated red and green color combination the genus has ever committed to—those broad, waxy leaves are deeply flushed in vivid red-orange with green margins so boldly contrasting they look less like a variegation pattern and more like a deliberate two-tone design executed with absolute confidence and zero restraint. She carries all the legendary Aglaonema ease underneath that fiery Thai exterior, tolerating low light and average conditions with the adaptable grace the genus built its entire reputation on, while delivering a color intensity that makes most other red plants look like they didn't fully commit. Bold, saturated, and entirely self-assured about being the loudest plant in the room.
Care Card
🌿 Light — Low to bright indirect light. More light intensifies those vivid red-orange tones to their most saturated; lower light is genuinely tolerated but the red softens toward orange-green—still striking, just less of a statement than the Siam deserves to make.
💧 Water — Let the top 1–2 inches dry between waterings, then water thoroughly and drain. Classic Aglaonema drought tolerance applies; overwatering is the primary mistake and she'll yellow at the base to register her displeasure before things get serious.
💨 Humidity — Average to moderate, 40–60%. Comfortable in typical home humidity without supplemental assistance—one of the most humidity-tolerant boldly colored plants in the hobby, which remains a genuine gift to everyone.
🌡️ Temperature — 65–80°F. Never below 60°F. No cold drafts, no AC vents—those vivid red-orange tones are the first thing to suffer when temperatures drop and she communicates that displeasure immediately and visibly.
🌱 Fertilizer — Balanced liquid fertilizer monthly in spring and summer. Nothing in fall and winter; consistent and gentle keeps those saturated tones at their most vivid and the growth steady and confident.
⚠️ Toxicity — Toxic to pets and humans. Calcium oxalate crystals cause oral irritation and vomiting if ingested.
🐣 Beginner Friendly? — Absolutely yes. Maximum color impact with classic Aglaonema forgiveness—the Siam is the plant that makes beginners look like they have exceptional taste, because choosing this one means they absolutely do.
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PLEASE NOTE: What you see is the vibe — not the exact plant. 🌿 Each plant has its own personality (some a little more dramatic than others). Leaf shape, size, and variegation will vary, but pot size is consistent.