Keep in mind when planting that Alexandria is thought of as hardy, so this plant will survive close to or on freezing temperatures. Ensure your soil has a ph of between 5.8 and 6.5 as Alexandria is a weakly acidic soil loving plant.
Sow directly into the garden. If you want to harvest in the first year, start them twelve weeks before last frost date indoors and transplant out after frost danger has passed.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Alexandria is a hardy plant.