Grows best in cool weather. Provide extra nitrogen to stimulate microbial activity which is slow in cold weather.Position in a full sun location and remember to apply water fairly sparingly. Giant Winter is generally regarded as a half hardy plant, so although it can survive a small mild cold snap, it is wise to ensure that this plant is protected from frost damage. Giant Winter needs a loamy soil with a ph of 6.0 to 7.0 (weakly acidic soil to neutral soil).
By our calculations, you should look at sowing Giant Winter about 60 days before your last frost date.
Sowing indoors is not recommendedGiant Winter is half hardy, so ensure you wait until all danger of frost has passed in your area before considering planting outside - as a guideline, the minimum temperature outside should be approximately 0°C / 32°F.