How long does ginger take to grow depends on what kind of harvest you want from your plants. Baby ginger is ready in about 4 to 5 months from planting day. Mature rhizomes with that strong spicy kick need 8 to 10 months to develop to full size.
I tracked this ginger growing timeline over four seasons of growing. First sprouts pop up after about three to six weeks if your soil stays warm. Cold soil can stretch this wait to eight weeks or more before green shoots show up at last.
Soil heat plays a huge role in how fast your ginger grows over time in your pot. Roots need soil above 60°F (16°C) to even start growing at all. Growth speeds up when soil reaches 70°F to 77°F (21°C to 25°C) during warm summer months.
In my experience I keep pots on a heat mat in spring to speed things up. This gets me faster sprouts and better roots over the whole season each year. A simple soil thermometer helps you track temps each morning for best results.
At one month you will see green shoots about six inches tall above the soil surface. By three months the stalks reach knee height and look like small bamboo stalks. At five months my plants stand waist high with thick lush leaves all over.
The ginger maturation period from five to ten months changes what you harvest. Baby ginger at four months has thin skin and a mild sweet taste. Full mature rhizomes at eight to ten months develop tough skin and strong spicy heat.
Wisconsin Horticulture backs up these numbers in their guides for home growers. Baby ginger harvest comes at about four months into your grow cycle. Mature rhizomes need the full 8 to 10 months to build strong flavor you want.
You can tell when mature ginger is ready by watching the leaves for changes above ground. The foliage turns yellow and starts to fall over on its own over time. Stems die back from the tips down toward the soil line over the span of several weeks.
If you want to know how long grow ginger takes in your space, start tracking from day one. Write down when you plant and when you see the first green sprouts appear above the soil. This log helps you plan better each year going forward and time your harvests right.
Read the full article: How to Grow Ginger in Pots Successfully
