WHERE & HOW TO FARM Where to farm Wild specimens grow on the seabed in the Blood Kelp Zone and Lost River; cultivate them in an Exterior Growbed at base.
Deep Shrooms grow in the Blood Kelp Zone and Lost River. Cutting an attached specimen with a knife yields spores, which you can plant in an Exterior Growbed. Collect the initial spores with a safe approach, then maintain a base crop for later harvesting and propagation. Deep Shrooms are a crafting resource rather than an edible crop.
Before you go Survival knife. Exterior Growbed built at a base. Vehicle or oxygen capacity appropriate to the selected wild location. Storage for the spores and grown material. Choose a reachable Blood Kelp Zone or Lost River edge where Deep Shrooms grow attached to the seabed. Approach with enough oxygen or a suitable vehicle, and identify an attached specimen before using the knife. Cut the attached Deep Shroom to obtain spores; keep room to move away after the knife strike. Return to base and place the spores into an Exterior Growbed. Allow the planted crop to grow, then use the knife on a grown Deep Shroom when you need spores for expansion. Collect the resulting Deep Shroom material for the fabrication that requires it. Leave enough plants growing to preserve a source for future crafting and propagation. Farming tips A base growbed turns a deep-zone pickup into a nearby supply, reducing the need to repeat the hazardous collection trip. Keep space clear around the plant so you can approach and cut it without striking adjacent flora. Repeat, collect and use The wild specimens are limited to their locations, but planted crops provide a repeatable source. Harvest in moderation so the bed remains productive.
Common mistakes Trying to propagate from an unattached picked sample: cut an attached wild plant for spores. Forgetting the Exterior Growbed: spores need a suitable planter before they can establish a crop. Cutting every plant in the bed: retain enough growth to support future collection. When to stop or switch Stop wild collection once you have established a healthy base crop; return to the bed for later crafting needs.
Sources & fact checks REWARD DETAILS & CONDITIONS Sources & rewards All source types Farming route Farming priority Name A–Z Drop chance
Farming route Wild specimens grow on the seabed in the Blood Kelp Zone and Lost River; cultivate them in an Exterior Growbed at base.
Survival knife. Exterior Growbed built at a base. Vehicle or oxygen capacity appropriate to the selected wild location. Storage for the spores and grown material. Rate not listed
Related guides More guides for gathering materials and making progress.
Guide illustration Subnautica Food and flora Catch nearby fish for food and water, with Bladderfish providing a route to filtered water at the Fabricator.
Guide illustration Subnautica Food and flora Collect Creepvine Seed Clusters for early crafting, and plant clusters near base when you want a convenient future source.
Guide illustration Subnautica Food and flora A seed that is already in your inventory can still start an edible plant after it spoils, letting you use existing planting…
Find another guide Keep making progress in Subnautica.
