Keep in mind when planting that Altajskij is thought of as tender, so remember to wait until your soil is warm and the night time temperature is well above freezing before moving outside.
By our calculations, you should look at sowing Altajskij about 42 days before your last frost date.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Altajskij is a tender plant.
By our calculations, you should look at planting out Altajskij about 14 days after your last frost date.