Mountain Phlox Seeds – White to Lavender Annual Flowers

Soft Colors for Cool-Season Garden Displays

Mountain Phlox (Linanthus grandiflorus) produces white, pink, and lavender flowers above delicate, fern-like foliage. This annual grows approximately 12–20 inches tall, bringing a light, informal look to wildflower gardens, borders, and containers.

Plant a group beside a path or in a patio planter to enjoy its soft colors up close, or cut a few stems for small flower arrangements. Cool, moist growing conditions suit this flower, making it a useful choice for coastal-style plantings.

Plant Highlights

• Common name: Mountain Phlox.
• Botanical name: Linanthus grandiflorus.
• Life cycle: Annual.
• Height: Approximately 12–20 inches.
• Flower colors: White, pink, and lavender; individual plants and color proportions vary.
• Bloom season: Mid-summer in the supplied growing information; timing varies with climate and sowing date.
• Light: Full sun to partial shade.
• Soil: Moist and well drained, with a listed pH range of 6.1–7.3.
• Spacing: Approximately 12–15 inches.
• Uses: Wildflower-style plantings, borders, containers, and flower arrangements.

Direct Sowing

Sow outdoors in fall or spring when local conditions are suitable. Prepare a fine, weed-free seedbed and cover the seeds very lightly, approximately 1/16 inch deep. The supplied directions indicate that light is not required for germination.

Maintain gentle, even moisture until seedlings establish, without saturating the soil. The listed germination range is approximately 10–30 days at 60–70°F; emergence varies with growing conditions.

Thin seedlings to approximately 12–15 inches apart so plants have room to develop.

Garden Care

Choose full sun to partial shade and keep the soil moist but freely draining. Monitor seedlings closely during establishment and adjust watering to rainfall and temperature rather than a fixed schedule.

Reduce competing weeds while plants are young. Avoid prolonged waterlogging, and allow enough space between plants for air circulation. These are annual flowers, not perennial plants expected to return from the same roots.

Growing in Containers

Use a pot or planter with drainage holes and a well-draining potting mix. Sow thinly and cover lightly, then thin to give the mature plants room rather than leaving a crowded carpet of seedlings.

Place in full sun to partial shade, taking the plant's preference for cool, moist conditions into account. Check moisture regularly because containers may dry faster than garden soil. Water gently and allow excess water to drain away.

Flowers for Arrangements

Mountain Phlox can be included in small flower arrangements. Cut with clean snips, remove foliage that would sit below the waterline, and place stems in clean water promptly.

Available Seed Packs

Choose 500 seeds, 3,000 seeds, 10,000 seeds, or 1 oz. The 1 oz pack is sold by weight; no fixed seed count is promised. This listing is for planting seeds, not live plants.