Growing Terms beginning with H
- H
- H2O2
- H3PO3
- H3PO4
- Halogen Lamp
- Halteres
- Hand Pollination
- Hand Trimmer
- Hand Whipping
- Handwatering
- Haploid
- Hardening Off
- Hardiness (GH)
- Hardscape
- Hardwood
- Hardy Annual
- Harvesting Buds
- Hash
- Haustorium
- Haze
- HCFSE
- HClO
- Head High
- Head Shop
- Headhouse
- Heady Glass
- Healing Garden
- Heartwood
- Heat Pump
- Heavy Feeder
- Heirloom
- Heirloom Plant
- Heirloom Seed
- Hemiptera
- Hemp
- Hemp Hurd
- Hemp Industries Association (HIA)
- Hemp Protein
- Hemp Seed Oil
- Hempcrete
- Herb
- Herbaceous
- Herbaceous
- Herbaceous Perennial
- Herbaceous Plants
- Herbicide
- Herbivore
- Hermaphrodite
- Hermaphroditic Plant
- Hermaphroditic Plant (Hermaphrodite)
- Heterotrophic Nutrition
- HIA
- HID
- HID
- High Frequency Ballast
- High Intensity Discharge (HID)
- High Intensity Discharge Grow Lamp (HID)
- High Pressure Aeroponics (HPA)
- High Pressure Sodium (HPS)
- High Pressure Sodium (HPS)
- High Times
- High Times Freedom Fighter
- high yield
- High-Cannabinoid Full Spectrum Extract (HCFSE)
- High-Stress Training (HST)
- Highover
- Hill Culture
- Hindu Kush
- Hippie Hit
- Hippie Trail
- HNO3
- Hoagland Solution
- Homoptera
- Honey Blunt
- Honey Oil
- Honeydew
- Hookah
- Hoop House
- Horticultural oil
- Horticulture
- Host
- Hot Boxing
- Hot Composting
- Hot Knifing
- Hotbed
- Hothouse
- HPA
- HPS
- HPS
- HST
- Hugelkultur (Hill Culture)
- Humic Acid
- Humidifier
- Humidity
- Humidor
- Humulene
- Humus
- Hybrid
- Hybrid
- Hybrid Vigor
- Hydrated Lime
- Hydrocarbon Extraction
- Hydrochloric Acid
- Hydrogel
- Hydrogen (H)
- Hydrogen Peroxide (H2O2)
- Hydrophobic
- Hydroponic Crops
- Hydroponic Gardening
- Hydroponic Microgreens
- Hydroponic Nutrients
- Hydroponic Pods
- Hydroponic Substrates
- Hydroponic System
- Hydroponics
- Hydroponics
- Hydrotropism
- Hygrometer
- Hymenoptera
- Hypertonic
- Hypha
- Hypochlorite
- Hypochlorous Acid (HClO)
- Hypocotyl
