Try to plant in a location that enjoys full sun and remember to water very sparingly. Keep in mind when planting that Gruner is thought of as tender, so remember to wait until your soil is warm and the night time temperature is well above freezing before moving outside. Planting Gruner in loamy, sandy and silty soil with a ph of between 6.1 and 7.8 is ideal for as it does best in weakly acidic soil to weakly alkaline soil.
Growing Gruner from seed
By our calculations, you should look at sowing Gruner about 49 days before your last frost date.
Transplanting Gruner
As Gruner is tender, ensure temperatures are mild enough to plant out - wait until after your last frost date to be on the safe side.