Products › Early Sunflower (Oxeye) Image 1 of 2 Image 2 of 2 Early Sunflower (Oxeye) from $6.00 sold out Heliopsis helianthoides. Prefers medium-wet to med-dry soil and full to partial sun. Blooms July-Aug and grows 4’ tall. Size: Select Size 6-pack 2nd year 3" pot Sold Out Added! Heliopsis helianthoides. Prefers medium-wet to med-dry soil and full to partial sun. Blooms July-Aug and grows 4’ tall.