Try to plant in a location that enjoys full sun and remember to apply water fairly sparingly. Pennington Gem is generally regarded as a hardy plant, so this plant will survive close to or on freezing temperatures. Pennington Gem needs a soil ph of 5.5 to 7.0 (weakly acidic soil - neutral soil).
Growing Pennington Gem from seed
By our calculations, you should look at sowing Pennington Gem about 63 days before your last frost date.
Transplanting Pennington Gem
Pennington Gem is hardy, so ensure you wait until all danger of frost has passed in your area before considering planting outside.