Common zinnia 'Giant Cactus'

Try to plant in a location that enjoys full sun and remember to water moderately. Keep in mind when planting that Giant Cactus is thought of as tender, so remember to ensure that temperatures are mild before moving outdoors. Planting Giant Cactus in loamy and sandy soil with a ph of between 5.5 and 7.0 is ideal for as it does best in weakly acidic soil to neutral soil.

Aim to sow 0.25 inches (0.64 cm) deep and try to ensure a gap of at least 11.7 inches (30.0 cm).

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

As Giant Cactus is tender, ensure temperatures are mild enough to plant out - wait until after your last frost date to be on the safe side.