hybrid

Rainbow Runtz

aka Rainbow RZ, Rainbow Runts, Runtz #69

Flavors
  • Lavender (43% of reported flavors)
  • Sweet (43% of reported flavors)
  • Coffee (14% of reported flavors)

Rainbow RZ is basically four different strains wearing the same trench coat.

Origin 1: The version specifically sold under the "RZ" name — bred by Los Angeles cultivator Wizard Trees, a cross of Runtz and RS11, confirmed directly by the breeder. This is what's consistently stocked at dispensaries carrying "Rainbow RZ" specifically.

Origin 2: A Zkittlez × Do-Si-Dos double-cross, widely cited as the original "Rainbow Runtz," with no confirmed breeder.

Origin 3: Bred by Chosen Seeds in London, a cross of their own Rainbow Candy (itself Zkittlez × Do-Si-Dos × Zkittlez) with Gelato #41.

Origin 4: Bred by Exotic Genetix in Tacoma, Washington, a cross of Rainbow Chip and Runtz.

Across all four, expect a floral, fruity aroma with notes of pear and rose layered over an earthy, herbal base, though exact flavor and potency vary meaningfully by origin.

Reviewers frequently describe the high as an easygoing wave of relaxation that settles into the body without heavy sedation, while a gentle mood lift keeps things from feeling flat. Fans of the strain say it's a solid pick for unwinding in the evening or taking the edge off a long day. The buds tend to be dense and coated in visible resin, giving them a frosty, eye-catching appearance. Four strains, one name — check the label before you buy the bag.

Rainbow RZ is a moderate-difficulty strain that stays between 3–5 feet indoors, making it a good fit for growers who have some experience but don't need a warehouse-sized setup. Outdoors, it stretches to 5–7 feet with a bushy, lateral-branching structure and thrives in warm Mediterranean climates with temperatures between 68–80°F. The dense bud structure means you'll want to keep humidity around 40–50% during flowering to avoid mold on those resinous colas. This strain does best with a measured approach to nutrients since it runs moderately sensitive, and growers often report yields of 450–650 g/m² indoors or 14–20 oz per plant outdoors when conditions stay dialed in across its 8–10 week flowering window.
This content is for informational purposes only.