O'Neal blueberry is a Southern Highbush cultivar introduced in 1987 by North Carolina State University, bred specifically for gardeners in warm climates who crave homegrown blueberries without the wait. Unlike many blueberry varieties, O'Neal handles heat beautifully, ripening in June even during the hottest summers. The bushes grow to 4 to 6 feet tall and wide, producing large, intensely sweet berries on vigorous, naturally bushy plants hardy in zones 5 through 9. From planting to first harvest, expect about two to three years, making it worth the patience.
72
Full Sun
Moderate
5-9
72in H x 72in W
—
High
Hover over chart points for details
This heat-tolerant Southern Highbush variety delivers some of the best-tasting blueberries available, with medium-to-large berries of remarkable sweetness. The vigorous, naturally bushy growth habit means minimal pruning, and the plants ripen their fruit reliably in early summer regardless of scorching temperatures. O'Neal is self-pollinating but produces noticeably larger crops when paired with other Southern Highbush cultivars like Jubilee, Misty, Star, or Sunshine Blue, making it perfect for gardeners who want flexibility with their pollination strategy.
O'Neal blueberries are grown for fresh eating straight from the bush, where their exceptional sweetness truly shines. Home gardeners particularly value them for their ability to produce abundant harvests in hot summers, making fresh blueberries accessible to people living in regions where traditional varieties fail. The berries work equally well in baking, preserving, and smoothies, though the flavor is distinctive enough that eating them fresh allows you to appreciate what makes this variety special.
No timeline data available yet for this variety.
Plant containerized O'Neal blueberries in spring or fall, spacing them 6 feet apart in soil amended to achieve pH 4.5 to 5.5. Dig a hole as deep as the root ball and twice as wide, backfill with acidic soil and peat moss blend, and water thoroughly. Mulch heavily around the base, keeping mulch a few inches away from the stem.
Berries ripen in June and should be harvested when fully blue with no red remaining on the berry. Ripe O'Neal blueberries come away easily in your hand with a gentle twist; they're ready when the berry releases without resistance. Pick every few days as the fruit ripens in waves, and taste one before harvesting to ensure peak sweetness, which develops fully only in the last few days of ripening.
O'Neal develops naturally into a vigorous, bushy form without demanding heavy pruning. Remove dead or crossing canes as needed, and thin out the densest sections if air circulation becomes poor. Light pruning after harvest encourages compact growth and better flowering the following year.
Enter your ZIP code to see a personalized growing calendar for this plant.
“O'Neal emerged from the breeding program at North Carolina State University in 1987, developed to address a real problem: most premium blueberry varieties sulk in hot climates or demand excessive chill hours to fruit properly. The variety represents deliberate horticultural innovation, crossing genetics to create a plant that thrives where traditional highbush blueberries struggle. Its introduction marked an important shift in blueberry breeding, opening the door for quality fruit production in the American South and other warm regions previously thought unsuitable for the crop.”