Bunching onions can be direct seeded or started as seedlings. Direct sow as soon as soil can be worked. Sow seeds 18-1/4" in 2" bands with rows 12-18" apart. Trim tops of seedlings when they reach 5" to thicken stem, trim to 1". Harvest at desirable size. Make successive planting for season long harvest and/or leave in the garden to over winter for early spring scallions. -From back of High Mowing Seeds packet
Plant in a location that enjoys full sun and remember to water moderately. Keep in mind when planting that Evergreen Hardy is thought of as very hardy, so this plant will typically do well in a variety of different extremes of cold temperature. Ideally plant in loamy and sandy soil and try to keep the ph of your soil between the range of 6.0 and 7.0 as Evergreen Hardy likes to be in weakly acidic soil to neutral soil.By our calculations, you should look at sowing Evergreen Hardy about 28 days before your last frost date.
Start transplants 8-10 weeks before planting date in flats or using individual cells and later plant in small clumps. Plant outdoors as soon as soil can be worked. -From back of High Mowing Seeds packet
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Evergreen Hardy is a very hardy plant.