Common zinnia 'Giant Double'

Try to plant in a location that enjoys full sun and remember to water moderately. Keep in mind when planting that Giant Double 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. Giant Double requires a loamy and sandy soil with a ph of 5.5 - 7.0 - it grows best in weakly acidic soil to neutral soil.

Try to aim for a seed spacing of at least 11.7 inches (30.0 cm) and sow at a depth of around 0.25 inches (0.64 cm).

By our calculations, you should look at sowing Giant Double about 21 days before your last frost date.

Ensure that temperatures are mild and all chance of frost has passed before planting out, as Giant Double is a tender plant.