Collection: Nutrients and Supplements

Organic gardening, hydroponics, indoor greenhouses and aquaponics, Hawthorne Gardening Company carries the full spectrum of nutrients and supplements for growing both indoors and outdoors. Mother Earth, Buried Treasure, General Hydroponics, House & Garden, Emerald Harvest, Botanicare, Cyco, Roots Organics, Soul, Nectar for the Gods, Supernatural, Mad Farmer, Down To Earth, Vermicrop, HydroDynamics, Snoop's Premium Nutrients, Nutrilife, Xtreme Gardening, Maxsea, BioAg, Technaflora, BioBizz, Grow More, Dyna-Gro, Emerald Triangle, Nature’s Nectar, Plant Success, Neptune’s Harvest, RAW, Microbe Life, GreenGro, Cultured Solutions, Grotek, Maxicrop, Superthrive, SaferGro, Monterery, B’Cuzz, and a long list of other well-known brands are stocked and ready for immediate delivery. From organic gardening supplies and blended nutrients to complete kits with everything you need, Hawthorne Gardening Company offers hundreds of different nutrient and supplement options for hydroponics, indoor gardening, greenhouse gardening and aquaponics.
16 products
  • General Hydroponics® Hardwater FloraMicro® 5 - 0 - 1
    General Hydroponics® Hardwater FloraMicro® 5 - 0 - 1
    Regular price
    $16.89
    Sale price
    $16.89
  • General Hydroponics® FloraMicro® 5 - 0 - 1
    General Hydroponics® FloraMicro® 5 - 0 - 1
    Regular price
    $12.34
    Sale price
    $12.34
  • General Hydroponics® FloraBloom® 0 - 5 - 4
    General Hydroponics® FloraBloom® 0 - 5 - 4
    Regular price
    $10.32
    Sale price
    $10.32
  • General Hydroponics® FloraGro® 2 - 1 - 6
    General Hydroponics® FloraGro® 2 - 1 - 6
    Regular price
    $10.39
    Sale price
    $10.39
  • General Hydroponics® FloraPro™ Hardwater + Micros Soluble 14 - 0 - 0 + 17% Ca
    General Hydroponics® FloraPro™ Hardwater + Micros Soluble 14 - 0 - 0 + 17% Ca
    Regular price
    Sold out
    Sale price
    $50.00
  • General Hydroponics® FloraPro™ Calcium + Micros Soluble 14 - 0 - 0 + 17% Ca
    General Hydroponics® FloraPro™ Calcium + Micros Soluble 14 - 0 - 0 + 17% Ca
    Regular price
    Sold out
    Sale price
    $50.00
  • General Hydroponics® FloraPro™ Bloom Soluble 6 - 10 - 21
    General Hydroponics® FloraPro™ Bloom Soluble 6 - 10 - 21
    Regular price
    Sold out
    Sale price
    $55.00
  • General Hydroponics® FloraPro™ Grow Soluble 9 - 11 - 19
    General Hydroponics® FloraPro™ Grow Soluble 9 - 11 - 19
    Regular price
    Sold out
    Sale price
    $55.00