Try to plant in a location that enjoys full sun and remember to water moderately. Keep in mind when planting that Grand rapids mixed is thought of as half hardy, so remember to protect this plant from frosts and low temperatures. Ideally plant in potting mix and loamy soil and try to keep the ph of your soil between the range of 5.5 and 7.0 as Grand rapids mixed likes to be in weakly acidic soil to neutral soil.
Growing Grand rapids mixed from seed
By our calculations, you should look at sowing Grand rapids mixed about 77 days before your last frost date.
Transplanting Grand rapids mixed
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Grand rapids mixed is a half hardy plant.