Umaina Japanese Chard Seeds | Tender Green Silverbeet

Umaina Japanese chard seeds grow broad, deep green, slightly savoyed leaves with short, pale green midribs. This silverbeet offers tender, succulent greens for stir-fries, soups, sautéing, and braising, with young leaves also suitable for salads. Pick a few outer leaves for dinner while leaving the center to continue growing.

Choose your seed pack

• 100 seeds.
• 500 seeds.
• 1 oz pack.
• 1/4 lb pack: 4 oz.

One cart quantity purchases one selected pack. Weight-based packs are sold by weight; seed counts vary by lot. This listing is for seeds to plant, not harvested greens or live plants.

Variety details

• Variety: Umaina Japanese chard, also called silverbeet.
• Botanical group: Beta vulgaris, Cicla Group.
• Leaves: broad, deep green, and slightly crinkled.
• Midribs: short and pale green.
• Flavor: mild, with tenderness and sweetness influenced by leaf age and growing conditions.
• Approximate maturity: 55 days under favorable conditions; baby leaves may be picked sooner.
• Seed description: open-pollinated and untreated.

Chard is a leafy beet relative, not true spinach or a crop grown for swollen beet roots. Umaina is described as slow to bolt and adaptable to warm and cool conditions, but extreme temperatures can still reduce quality or trigger flowering. Mild-climate overwintering is possible, not guaranteed.

When and where to sow

Sow in late spring to early summer, or plan a late-summer or early-fall sowing where the remaining growing season allows. For the simplest establishment, sow after frost danger has passed and soil conditions are suitable. Adjust timing to your climate rather than expecting year-round outdoor growth everywhere.

Choose full sun and fertile, well-drained soil. In hot climates, light afternoon shade can help reduce stress. Work finished compost into the bed before planting.

Sowing and thinning

Sow approximately 1/2 inch deep and water gently. Keep the seedbed evenly moist until seedlings establish. Thin to approximately 8–12 inches apart for larger plants.

Chard seed clusters can produce more than one seedling. Thin crowded seedlings carefully so each plant has room for healthy leaf development. Closer spacing can be used for baby-leaf crops that will be harvested young.

Watering and ongoing care

Water consistently to encourage tender growth without saturating the soil. A light mulch around established plants helps retain moisture and suppress weeds. Feed according to soil needs and fertilizer label directions rather than applying excessive fertilizer.

Keep young plants weed-free, remove damaged leaves, and check regularly for leaf-feeding insects. Heat, drought, and aging leaves can affect flavor, so do not expect every leaf to stay equally mild at every stage.

Growing in containers

Use a container with drainage holes and approximately 10–12 inches or more of usable soil depth. Fill with a well-drained vegetable potting mix and allow room for mature leaves to spread. Maintain the same spacing used for full-size plants in beds, or grow more closely for early baby-leaf harvest.

Check container moisture frequently, especially during hot weather. Water thoroughly and let excess drain; do not leave pots standing in water.

Harvesting for repeat picking

Begin harvesting outer leaves at your preferred size, often around 5–6 inches tall, once plants are well established. Cut or snap outer stems carefully without damaging the central growing point. Leave enough healthy foliage for continued growth.

Harvesting the whole plant at the base may end production if the crown is damaged. For repeat harvests, preserve the crown and young central leaves rather than cutting into them. Regrowth depends on plant health and growing conditions.

Kitchen use and storage

Wash harvested leaves and stems thoroughly under running water. Use tender young leaves in salads, or cook larger leaves in stir-fries, soups, braised greens, and sautéed dishes. Chop thicker stems separately and start cooking them before the leaves if they need more time to soften.

Refrigerate harvested greens promptly in a clean bag or container that retains moisture, and use soon for the best texture. Discard slimy or spoiled leaves.

Seasonal care and seed storage

In mild areas, established plants may continue producing through cooler weather with suitable protection. Severe frost, prolonged heat, or waterlogged soil can damage the crop. Chard is generally biennial and may flower after sufficient cold exposure.

Keep unused seeds sealed in a cool, dry, dark place, away from moisture and heat.