Rich Blue Blooms
Produces attractive blue flowers that create a colorful display in garden beds and containers.
Estimated Delivery:Nov 22 - Nov 26
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Thick Blue Petunia is an ornamental flowering selection known for its rich blue, velvety-looking blooms and attractive flowering display. Petunias are popular garden annuals that add vibrant color to flower beds, borders, containers, and hanging baskets. They grow best in full sun with fertile, well-drained soil and regular watering. Thick Blue Petunias are suitable for gardeners looking to add deep blue floral color to outdoor spaces.
Produces attractive blue flowers that create a colorful display in garden beds and containers.
Provides seasonal flowering interest when grown under suitable sunlight, watering, and growing conditions.
Suitable for flower beds, borders, patio containers, and decorative hanging baskets.
Features green foliage that complements its colorful blue flowers.
| Scientific Name | Petunia × atkinsiana (syn. Petunia hybrida) |
| Common Name | Thick Blue Petunia; Garden Petunia |
| Plant Family | Solanaceae |
| Seed Type | Ornamental Flower Seeds |
| Variety | Thick Blue — commercial color selection; cultivar identity to be verified |
| Growth Habit | Depends on the supplied petunia selection; verify spreading or upright habit |
| Flower Color | Blue |
| USDA Hardiness Zones | Generally grown as an annual; perennial in frost-free climates |
| Planting Season | Spring after frost in cooler climates; seasonal planting in warmer regions |
| Seed Starting | Start indoors 8–10 weeks before the last expected frost |
| Germination Time | Approximately 7–14 days under suitable conditions |
| Germination Temperature | Approximately 70–80°F |
| Sunlight | Full Sun to Partial Shade |
| Soil Requirements | Fertile, well-drained soil with good moisture retention |
| Watering | Water regularly; avoid waterlogged soil |
| Mature Plant Size | Depends on the specific petunia growth selection |
| Plant Spacing | Generally 12–18 inches, adjusted for the mature growth habit |
| Blooming Season | Spring through fall, depending on climate and growing conditions |
| Plant Uses | Flower Beds, Borders, Containers, and Hanging Baskets |
Thick Blue Petunia adds beautiful blue floral color to garden beds, borders, patio containers, and hanging baskets. Its attractive blooms and seasonal flowering make it a lovely choice for ornamental garden displays. Provide adequate sunlight, regular moisture, and well-drained soil for healthy plant growth.
Find helpful information about growing Thick Blue Petunias, starting seeds, and maintaining their blue flowers.
Start Thick Blue Petunia seeds indoors in a fine, well-drained seed-starting mix. Scatter the tiny seeds on the soil surface and gently press them without covering them. Keep the medium moist, provide bright light, and maintain temperatures around 70–80°F. Transplant established seedlings outdoors after the danger of frost has passed.
Blue petunia flowers may appear different shades of blue, violet, or purple depending on genetics, temperature, sunlight, and flower age. Strong heat and aging blooms can also affect their appearance. Provide suitable growing conditions and remove faded flowers to maintain a fresh garden display.
Provide at least 6 hours of sunlight daily, consistent watering, and well-drained, fertile soil. Use a balanced flowering-plant fertilizer according to its label instructions. Remove faded blooms regularly, and pinch young plants when appropriate to encourage branching and fuller growth. Avoid excessive nitrogen, which can promote foliage instead of flowers.