You should soak ginger before planting if you buy it from a regular grocery store. This simple step helps wash away chemicals that stop the rhizome from sprouting. Fresh or organic ginger from farmers markets may not need soaking at all.
I tested the ginger soaking method on two batches from the same store last spring. One batch went straight into soil and the other soaked overnight first. The soaked pieces sprouted two weeks faster and had stronger shoots when they broke through the surface.
Texas A&M extension says store-bought ginger often comes coated with ginger growth inhibitors. These chemicals keep the roots from sprouting while sitting on store shelves. Warm water breaks down these coatings so your rhizomes can grow.
The Wisconsin Extension notes that soaking is not always needed for every piece of ginger you plant. If your ginger already shows green growth buds or comes from an organic source, you can skip this step. The buds show that the rhizome has already overcome any growth blockers.
When you prepare ginger for planting, fill a bowl with warm water around 70-80°F (21-27°C). Drop your rhizome pieces in and let them sit for 8-12 hours or overnight. This gives the water time to work on any chemicals sitting on the surface.
Change the water at least once during the soak if it starts to look cloudy or dirty. I swap mine out after about 6 hours to keep things fresh. The old water pulls off surface gunk that you don't want soaking back into your ginger.
After soaking, take the pieces out and let them air dry for a few hours before you cut them. Wet rhizomes are harder to cut clean and the moisture can cause rot if you plant right away. A few hours on a paper towel gets the surface dry enough to work with.
Once dry, you can cut your ginger into planting pieces with 2-3 growth buds each. Let the cut surfaces callus over for 2-3 days before putting them in soil. This healing step matters more than the soak for stopping rot.
My second test batch showed that soaking alone won't save weak or shriveled ginger. The pieces still need to be firm and plump with visible buds for best results. Soaking gives good ginger a boost but can't fix rhizomes that were already dying.
Start your soak the night before you plan to plant so the timing works out right. This lets you cut and callus during the day and have everything ready for the soil by the end of the week. A little planning makes the whole process go smooth.
Read the full article: Growing Ginger: A Complete Step-by-Step Plan
