Product Description

Overview

Black Giant Sunflower Seeds are perfect for gardeners who want dramatic, towering blooms with deep-colored centers and bright golden petals. This impressive variety grows tall and strong, making it an excellent choice for borders, garden backdrops, and statement plantings. Known for its vigorous growth and high germination, the Black Giant Sunflower provides long-lasting summer beauty and attracts beneficial pollinators to your garden.

Features

• Premium-quality, non-GMO Black Giant Sunflower Seeds

• Produces bold, tall sunflower plants with large, dramatic blooms

• Ideal for borders, garden backdrops, pathways, and showpiece plantings

• Strong germination and fast growth in warm, sunny conditions

• Attracts bees and beneficial pollinators

• Excellent for summer landscapes and high-impact floral displays

• Perfect for beginner and experienced gardeners alike

Specifications

• Plant Type: Annual

• Common Name: Sunflower

• Variety: Black Giant Sunflower

• GMO Status: Non-GMO

• Heirloom: Yes

• Growth Season: Spring–summer

• USDA Zones: All zones (grown as annual)

• Sun Exposure: Full sun

• Soil Type: Well-drained, fertile soil

• Bloom Time: Mid-summer to early fall

• Plant Height: 6–12 feet

• Spacing: 12–24 inches

• Watering: Moderate

Planting Guide

• Sowing Method: Direct sow outdoors or start indoors

• Sowing Depth: 1/2 inch deep

• Germination Time: 7–14 days

• Ideal Temperature: 20–26°C

• Transplanting: Move outdoors once soil warms