Seeds
Black Harlequin CBD Feminised Seeds
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SKU: SEN-BLH-CBD-FEM
Big yields and 1:1 CBD:THC ratio.
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Flowering Type
Photoperiod
Parental lines
Black Domina x Harlequin
THC content
Information not available
CBD content
Information not available
Autoflowering seed to harvest time
Information not available
Yield indoor
Information not available
Plant size
Information not available
Suitable climates
Dry, Warm
From the breeder
Big yields and 1:1 CBD:THC ratio.
Sensi Seeds breeder notesParental lines
Black DominaHarlequin
Big yields and 1:1 CBD:THC ratio.
Black Harlequin CBD is an indica/sativa hybrid whose genetic background includes Black Domina and Harlequin, a CBD-rich strain from the USA. These plants grow to an average height, often with extremely large yields. The aroma and taste are earthy and woody with some floral notes. This strain has a THC / CBD ratio of 1:1, and an effect which is relaxing and balanced.
Another former Sensi Research project strain brought into the main catalogue due to very positive grower feedback.
Brand/breeder
Parental lines
Black Domina x Harlequin
Flowering type
Photoperiod
Sex
Feminised
Suitable climates
Dry, Warm
SKU
SEN-BLH-CBD-FEM
Photoperiod outdoor timeline
Photoperiod strains rely on seasonal daylight changes, so harvest timing is closely tied to your local climate.
Stage 1
Germination / Early Start
March – April
Wait for: frost risk easing, stronger spring light
Watch for: cold snaps, slow starts, excess moisture
Stage 2
Seedling / Transplant
April – May
Wait for: milder nights and settled weather
Watch for: transplant shock, wind exposure, pests
Stage 3
Vegetative Growth
June – July
Wait for: long days, regular feeding, healthy expansion
Watch for: overcrowding, nutrient issues, insect damage
Stage 4
Flowering
August – September
Wait for: shortening days, dry airflow, branch support
Watch for: mould, botrytis, high humidity, bad weather
Stage 5
Harvest
Late September – October
Wait for: ripe trichomes, dense finished flowers
Watch for: autumn rain, rot, early frosts
Indoor photoperiod timeline
Photoperiod strains give indoor growers more control over size, shape, and when flowering begins.
Week 0
Germination
Strong early establishment
Wait for: strong early establishment
Watch for: inconsistent starts, excess moisture
Week 1–2
Seedling
Stable structure and healthy growth
Wait for: stable structure and healthy growth
Watch for: stretch, early stress
Week 3–6+
Vegetative Growth
Desired plant size and canopy shape
Wait for: desired plant size and canopy shape
Watch for: overcrowding, uneven growth, training stress
7–12+ weeks
Flowering Phase
Strong flower formation and steady development
Wait for: strong flower formation and steady development
Watch for: humidity, airflow, support issues
Harvest
Harvest Window
Finished flowers and mature trichomes
Wait for: finished flowers and mature trichomes
Watch for: cutting too early or pushing too long
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