Soil requirements
- Fork out rocks and clods. Forked roots are usually a soil-structure problem.
- Fresh manure makes hairy, branched roots. Use finished compost.
- See raised bed depth if your frame is only 6 inches tall.
Watering
- The seedbed cannot crust and dry for 1–3 weeks. A light board or row cover can help hold moisture until sprouts show.
- After thinning, water deeply so roots chase moisture down.
Sunlight
Full sun produces sweeter, fuller roots. Light shade is a last resort in extreme heat.
Planting
- Sow densely, then thin. Crowded carrots do not size up.
- Mix seed with sand for more even sowing.
Spacing
- Thin to 1–3 inches depending on variety (Nantes vs large storage types).
- Square-foot: often 16 per square.
Common problems
Poor germination
Usually a dry seedbed or old seed. Carrot seed is short-lived.
Forked roots
Rocks, compaction, or fresh manure. Not a fertilizer brand problem.
Helpful tools
- Soil sieve for rocky fill
- Row cover optional
Product links will be added when independently researched. See the garden tools hub for buying criteria.
Frequently asked questions
Why are my carrots short?
Shallow soil, late thinning, or a variety that is naturally short (many “container” types). Match variety to bed depth.