🌿 Introduction
Professional growers, landscapers, and greenhouse operators all know one thing — starting with the right seed variety makes the difference between average and exceptional results. At Trailing Petunia Bulk Seeds, we specialize in supplying large-count seed packs of proven annuals and perennials that germinate reliably and perform beautifully in plug trays or direct sowing.
If you’re planning your next growing season, these are the best bulk flower seeds to start in trays, handpicked for color, performance, and uniformity.
🌸 1. Marigold Seeds (Tagetes erecta & patula)
Marigolds are unbeatable for tray production. Their strong germination and fast growth make them a core choice for growers targeting spring retail.
👉 How to Grow Giant Marigolds from Seed | Impressive Blooms Made Easy
🌺 2. Zinnia Seeds (Zinnia elegans)
Zinnias thrive in plug trays under warm conditions and transplant easily into beds. Choose bold colors like Belize Double Pink Bicolor for eye-catching displays.
👉 Zinnia Belize Double Pink Bicolor | 25 Seeds
🌻 3. Sunflower Seeds
For cutting operations or pollinator plantings, Sunflowers deliver fast turnaround and reliable germination in trays or direct seeding.
👉 Growing Sunflowers for Pollinators | Attract Bees & Butterflies
🌸 4. Petunia Seeds (Wave® & Easy Wave® Types)
Petunias are a grower’s favorite for hanging baskets and packs. The Wave and Easy Wave series provide vigorous trailing growth and full, nonstop blooms.
👉 Bulk Petunia Seeds & Wave Petunia Seeds
🌼 5. Phlox Seeds (Phlox drummondii)
Phlox varieties like Popstar Mix excel in 288-cell trays with short crop times and tight uniformity, making them ideal for spring shipments.
👉 Popstar Phlox Seeds | Best Budget Flower Seeds for Big Summer Color
🌿 6. Dianthus Seeds (Dianthus chinensis)
Dianthus are a strong performer for growers looking for fragrant, early-spring color. Plants stay compact with excellent shelf life in retail trays.
👉 How to Grow Dianthus from Seed
🌾 7. Celosia Seeds (Celosia argentea)
Celosia’s bright plumes are excellent for cut-flower and landscape markets. Uniform germination makes them ideal for tray propagation.
👉 Celosia Varieties Explained | Plume, Cockscomb & Wheat Types Compared
🌸 8. Verbena Seeds (Verbena hybrida)
Verbena’s trailing habit makes it perfect for baskets and combos. Start them in 128–200 trays under light mist for best rooting.
👉 Trailing Verbena Seeds for Hanging Baskets
🌱 Shop All Bulk Flower Seed Packs
Find large-count packs designed for professional growers and garden centers. Reliable germination, tested quality, and fast nationwide shipping.
👉 https://www.trailingpetuniabulkseeds.com/
❓ FAQ Section
Q1: What are the easiest flower seeds to start in trays?
Marigolds, Zinnias, Petunias, and Phlox are top choices for strong germination and fast transplant growth.
Q2: How many seeds are in your bulk flower packs?
Most bulk packs range from 500 to 5,000 seeds, depending on the species. Each listing specifies seed count and germination rate.
Q3: Can I mix different flower seeds in one tray?
It’s best to start similar germination-speed varieties together. For example, Marigolds and Zinnias pair well, while Petunias prefer their own trays.
Q4: Do you offer pelleted flower seeds?
Yes! Pelleted varieties like Petunias and Impatiens are available for easier sowing with vacuum seeders or hand tools.
Q5: Are these bulk seeds suited for retail sale?
Yes — they’re perfect for reselling or large-scale production in plug trays, hanging baskets, and packs.