
Crop guide · Care
Radish plant care
In-season radish care here is water and mulch notes — not a fertilizer program. Cited amounts and methods stay on their own sheets. Minnesota’s planting page has no water or mulch KEEP on this page.
Growing guidance is general information. Timing, spacing, and care depend on cultivar, weather, soil, and local conditions. Check the sources and adjust the plan for your garden.

Water notes are source-specific — not a BioArva schedule.
Types and spacing live on growing radish.
What the sources say — at a glance
One source per card. Facts are not averaged.
Clemson HGIC 1305 (South Carolina)
Morning. Uniform moisture. Moisten 6 in. Shallow cultivation and organic mulches. Keep cultivation shallow to avoid root injury.
Details and limits (3)
Water
Clemson HGIC 1305 (South Carolina): water the garden to provide a uniform moisture supply. Water in the morning so that the foliage is dry before dark. Moisten the soil to a depth of 6 inches. Clemson watering — not a BioArva schedule.
Mulch
Clemson HGIC 1305 (South Carolina): shallow cultivation and organic mulches. Keep the cultivation shallow to avoid root injury. Method on their sheet — not a quality promise.
Limit
South Carolina HGIC 1305. Six-inch watering and shallow cultivation stay on this sheet. Not fertilizer.
Maryland Extension (Maryland)
Evenly moist but not wet. No Maryland mulch KEEP on this page.
Details and limits (2)
Water
Maryland Extension (Maryland): keep evenly moist but not wet. Maryland watering — not a BioArva schedule.
Limit
Maryland radishes garden page. Evenly-moist watering stays Maryland. Not fertilizer.
Illinois Extension (Illinois)
Adequate moisture. No Illinois mulch KEEP on this page.
Details and limits (2)
Water
Illinois Extension (Illinois): keep adequate moisture maintained. Illinois watering — not a BioArva schedule.
Limit
Illinois radish page. Adequate moisture stays Illinois. Not fertilizer.
Sources differ
Make it yours
Save the bed in the Field Book so next season is not a guess.
Verified suppliers only
No supplier on this page
When a partner is listed, it will be outbound and disclosed. Nothing to buy here. Fertilizer, soils, and pesticides stay off this slot.
What to record in the Field Book
Save the bed with the crop and the date. You may add a photo and notes. Compare entries you have recorded with each other — not with a diagnosis from this page. If you want an identification, bring the record to local Extension.
How we know — methodology. Ranges and assertions are cited per source, not blended.