Readily self seed.
Try to plant in a location that enjoys full sun and remember to water moderately. Keep in mind when planting that Velvet Curtains is thought of as tender, so it is really important to plant out well after your last frost date. A soil ph of between 5.5 and 7.0 is ideal for Velvet Curtains as it does best in weakly acidic soil - neutral soil.This seed needs light to germinate so only cover lightly. Seedlings are prone to damping off so ensure good ventilation
Sow at a depth of approx. 0.2 inches (0.5 cm) and aim for a distance of at least 11.89 inches (30.48 cm) between Amaranth plants. Soil temperature should be kept higher than 15°C / 59°F to ensure good germination.By our calculations, you should look at sowing Velvet Curtains about 28 days before your last frost date.
Choose a bright sunny spot on good drainage
As Velvet Curtains is tender, ensure temperatures are mild enough to plant out (around 15°C / 59°F as a guideline) - wait until after your last frost date to be on the safe side.Love-lies-bleeding, Princes’s Feather