White Rockcress Seeds – 250 Count

Southern Seeds was founded in 2019 by Ryan and Kim Dorn and became Seed Therapy in 2025. The family business moved its operations to the Dallas, Texas, area in 2023. Drawing on generations of growing experience, the team focuses on dependable seeds, personal customer service, and helping gardeners succeed. Its work includes relationships with American farms and seed donations to schools and community gardens.

Create a stunning, cascading carpet of snow-white flowers with White Rockcress seeds. This beautiful heirloom perennial is a springtime spectacle, forming a low-growing, dense mat of foliage that becomes completely smothered in tiny, fragrant, pure white flowers. It is the perfect choice for spilling over rock walls, edging pathways, or filling in the gaps of a rock garden. Easy to grow and incredibly hardy, Rockcress will reward you with a breathtaking floral display year after year.

Explore more seeds growing and garden seeds and growing essentials at BuyAmerican.

• A spectacular cascade of fragrant, pure white flowers in the spring.
• A low-growing, mat-forming habit is perfect for spilling over rock walls.
• A very hardy and reliable perennial for a low-maintenance garden.
• The silvery-green foliage provides year-round interest.

• Plant Name: White Rockcress (Arabis alpina)
• Seed Quantity: Approx. 250 seeds
• Type: Heirloom, Open Pollinated, Non-GMO
• Lifecycle: Perennial
• Height: 6-12 inches
• Days to Maturity: Blooms in the second year from seed.
• USDA Zone: 3-7
• Origin: American Grown

Sold as seeds for planting. Select this packet by its variety, quantity, and growing requirements; it is not a live plant.

Country of origin: United States. The supplier identifies this product as American-grown.

• Sowing: Start seeds indoors 6-8 weeks before the last frost, or direct sow outdoors in early spring or fall.
• Depth: Press seeds into the surface of the soil, as they need light to germinate. Do not cover.
• Spacing: Space or thin plants to 12-18 inches apart.
• Light Requirement: Full Sun to Partial Shade.
• Soil: Must have excellent drainage; thrives in sandy or gravelly soil.
• Care: After flowering, shear the plant back by half to maintain a tidy, compact shape.

Keep unused seeds dry and cool in a clearly labeled, closed container. Protect the packet from humidity and temperature swings, and retain the variety name and sowing notes for your next planting. Use the species-specific directions below when deciding whether to start indoors, sow directly, soak seeds, or provide a cold period. Germination and growth vary with seed handling and local growing conditions.

For general seed-starting and storage guidance, see University of Minnesota Extension’s seed-starting guide. Use the variety-specific packet directions for this product.

Shipping for this product

This product ships directly from Southern Seeds, now Seed Therapy. The supplier currently lists standard processing of 1–3 business days, increasing to approximately 3–5 business days during the busy late-December-through-April-or-May seed season. Processing is separate from carrier transit time. Its published standard shipping rate is $4.99 per order, with free standard shipping at a merchandise subtotal of $35 or more after discounts and before taxes. The options, offers, and final charges displayed at BuyAmerican checkout govern this order; purchases from other makers may ship separately. Carrier delivery dates are estimates. The supplier ships within the United States and may restrict certain seeds by destination.

Returns and seed guarantee

For this product, Southern Seeds/Seed Therapy publishes a 60-day satisfaction guarantee, offering an eligible replacement or product-price refund for concerns reported within 60 days of delivery. Original shipping is generally excluded. Preference-based physical returns generally require customer-paid return shipping; supplier errors or damaged or defective items receive an appropriate resolution without an additional return-shipping charge. Contact BuyAmerican at hello@buyamerican.mom with your order number, product name, and concern before mailing anything back. BuyAmerican’s standard return policy provides a 30-day request period for eligible unused items in original packaging. Ask BuyAmerican to coordinate any supplier guarantee request for your marketplace order.

Read the BuyAmerican return policy or contact BuyAmerican order support before a return.