what happens if i plant barley and flax valheim

Short answer: If you plant barley or flax outside the Plains in Valheim, they won’t grow; the game treats it as the wrong biome. Both crops must be planted in the Plains, and when harvested they give back two items each, so you usually replant part of the harvest to keep the farm going.

What happens

• Wrong biome: the crop won’t progress normally if planted somewhere else, and you’ll get an invalid-biome result instead of a harvest.

• Right biome: in the Plains, barley and flax grow successfully after planting with a cultivator.

• Harvest payoff: each mature plant yields 2 barley or 2 flax , which is why these crops scale so well for farming.

Why players grow them

• Flax becomes linen thread through a spinning wheel, which unlocks higher-tier gear crafting.

• Barley becomes barley flour in a windmill, which is used for strong food recipes like bread and lox meat pie.

Practical tip

A common setup is to plant enough to keep part of the harvest for food/materials and replant the rest, since both crops effectively multiply themselves when grown in the Plains.

TL;DR: barley and flax only grow in the Plains, and each harvest gives back two plants, making them ideal for a self-sustaining farm loop.