The shortest version: Blimburn Seeds's take on indica genetics, 20-25% THC, 8-10 weeks flowering, moderate grow.

Blimburn Seeds lists this at $25.98 — the lowest base price in the comparison ($39.59 floor). Pack options: 3-seed at $25.98, 5-seed at $36.20, plus larger sizes.

Something feels off about this listing right away, and it's worth flagging before you add it to your cart: the strain is labeled Harlequin CBD (1:18), which traditionally signals a CBD-dominant cultivar in the 1-part THC to 18-parts CBD ratio range—but the numbers here show 20–25% THC and sub-1% CBD. That's essentially the inverse of what the name implies, so treat the "CBD" designation with skepticism and cross-reference with Blimburn Seeds directly before ordering.

Setting that aside on its own terms: if the THC figures are accurate, you're looking at a moderately demanding grow that finishes in 8–10 weeks and returns 400–500g/m² indoors or out. The flavor profile runs fruity and citrus up front with an earthy base that gets more pronounced as you approach harvest. Canopy height stays workable, so indoor growers won't fight the ceiling. Best suited to growers who've completed a few runs and want a high-THC indica—just don't expect the CBD ratios the name suggests.

Genetics & Lineage

Harlequin CBD (1:18) traces its genetics to Harlequin CBD (1:18) (Blimburn Seeds). This indica-dominant cbd seed produces plants that express the best traits of its parent lineage, delivering consistent results for growers of all experience levels. Bred by Blimburn Seeds, each seed is selected for genetic stability, terpene expression, and vigor.

Effects & Experience

Users report primarily relaxed and euphoric effects, making this strain ideal for evening use and unwinding after a long day. The body-centered stone builds gradually, easing tension and promoting deep physical relaxation. With THC levels reaching 23%, this offers a well-balanced experience suitable for most users with some cannabis familiarity.

THC Level & Potency

Harlequin CBD (1:18) delivers THC levels of 20-25%, placing it in the moderate-to-strong range that most regular consumers find comfortable. CBD content is minimal, so the psychoactive effects are front and center. The onset typically arrives within 5-10 minutes, settling into the body as a warm, heavy relaxation.

Growing Harlequin CBD (1:18)

Harlequin CBD (1:18) is rated as moderate difficulty, making it suitable for growers with some experience. Basic knowledge of nutrient schedules, pH management, and environmental controls will help maximize results.

Indoor Growing: Expect a flowering time of 8-10 weeks with yields of 400-500g/m2. Plants typically reach 100-180cm indoors. Standard training techniques like topping and LST will help manage height and improve light penetration. Maintain temperatures between 68-80°F with relative humidity around 40-50% during flowering.

Outdoor Growing: This versatile strain performs well in both indoor and outdoor environments. Outdoor growers in warm climates can expect harvest from late September through October. Watch for humidity during late flowering to prevent bud rot, especially with dense flower formations.

Flavor, Aroma & Terpene Profile

Harlequin CBD (1:18) features a fruity, citrus, earthy, pine terpene profile that develops complexity throughout the flowering cycle. Sweet berry and grape notes dominate the inhale, with a sugary exhale that lingers on the palate. The aroma intensifies significantly during the final 2-3 weeks of flowering — carbon filtration is recommended for indoor grows requiring discretion.

Medical Benefits

While individual experiences vary, Harlequin CBD (1:18) is commonly reported to help with stress relief, chronic pain, insomnia, and muscle tension. The deeply relaxing effects make it a popular choice among medical users seeking nighttime relief. As with any cannabis strain, start with a low dose and increase gradually. Consult a healthcare professional before using cannabis for medical purposes.

Who Should Grow Harlequin CBD (1:18)?

This strain is ideal for intermediate growers ready to push their skills and be rewarded with superior results. If you're looking for evening relaxation and deep stress relief, this is your strain.

Why Buy Harlequin CBD (1:18) from Seennabis?

When you purchase Harlequin CBD (1:18) through Seennabis, you are buying directly from Blimburn Seeds — Barcelona-based breeder with one of the largest feminized + autoflower catalogs in Europe — over 1,200 strains spanning Spanish classics, exotic American hybrids (Banana Jelly x Permanent Marker, Skunk Berry, Glookies), and modern cookie/cake genetics. Every order includes verified genetics, discreet shipping, and responsive seller support.