Can be container grown. Good for short seasons.
Try to plant in a location that enjoys full sun and remember to water moderately. Keep in mind when planting that Manitoba is thought of as tender, so it is imperative to wait until temperatures are mild before planting out of doors. Manitoba needs a loamy soil with a ph of 5.5 to 7.5 (weakly acidic soil to weakly alkaline soil).Start seeds indoors six weeks before last frost date.
Ensure a distance of 0.78 inches (2.0 cm) between seeds when sowing - look to sow at a depth of approximately 0.78 inches (2.0 cm). Soil temperature should be kept higher than 12°C / 54°F to ensure good germination.By our calculations, you should look at sowing Manitoba about 42 days before your last frost date.
Plant to first set of leaves to promote strong roots.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Manitoba is a tender plant.Dependant on how one defines heirloom status, its date of 1956 can place it in or out of that range.
Bred in Morden, Manitoba, Canada. Parantage: (Marglobe x Bounty) x Redskin.