Philips 27484-5 – 250 Watt Metal Halide Bulb ED28 *Discontinued. Limited Qty Available

Brand: Philips Model: 274845 (ANSI M58) Wattage: 250W Metal Halide Base Type: Mogul E39 Light Output: 20,500 initial lumens / 13,500 mean lumens CRI: 65 (good color clarity for plant inspection) Rated Life: 10,000 hours Protected: No (requires enclosed-rated fixture) Lamp Size: 3.5″ diameter × 8.35″ length

What it does: A 250W MH lamp provides strong blue‑white light ideal for vegetative growth, compact structure, and healthy leaf development. Great for early stages, mother plants, and leafy crops.

What You Can Grow With a 250W Metal Halide (M58)

A 250W MH is a vegetative‑focused lamp. Its blue‑heavy spectrum promotes tight internodes, strong stems, and lush foliage.

Excellent For (Veg + Greens)

• Cannabis (vegetative stage, mothers, clones) Keeps plants compact, prevents stretching, builds strong structure.
• Leafy greens Lettuce, kale, spinach, arugula, Swiss chard.
• Herbs Basil, cilantro, parsley, mint, oregano, thyme.
• Houseplants & tropicals Philodendron, pothos, monstera, palms, ferns.
• Seedlings & clones Gentle but bright spectrum encourages sturdy starts.

Can Support (with supplemental bloom lighting)

• Peppers
• Tomatoes
• Strawberries Metal halide alone will grow them, but fruiting is better with added red spectrum (HPS, CMH 3100K, or LED bloom).

Not Ideal For

• Full flowering cycles
• Heavy fruiting crops without supplemental red
• Large canopy flowering rooms

MH is a veg specialist, not a full‑cycle lamp.