Calla palustris | Water Arum

Planting guides for Annuals, Biennials, Perennials, Shrub & Vine seeds can be found at: 

https://bloomoutlet.com/seed-guides/

Please read BOTH the seed guide and the PLANT SPECIFIC sowing instructions. If you are unsure of the best way to germinate the seeds, DO NOT SOW ALL THE SEEDS. Keep some in case the germination method you use doesn’t work.

Cold stratify ALL perennials, shrub & tree seeds for at least 30 days unless the plant specific instructions indicate a longer period. 

If you are not ready to plant the seeds, keep it in the refrigerator (not freezer). 

CALLA PALUSTRIS | WATER ARUM

Plant Specific Instructions (Read “Seed Guide” as well): Sow the seeds in waterproof plastic trays in nutritious muddy soil. The water should be approximately 0.39 in (1 cm) above the soil. Keep the temperature at 71 F (22 C) for 2-4 weeks then cold stratify at 32 F (0 C) for 4-6 weeks. It's okay for the water to freeze. Let the temperatures rise slowly. 

USES: Shallow waters or bogs, rivers, lakes, ponds or swamps of temperate and subarctic regions. In temperate regions, the plants are used in ponds, streams, rain gardens and water gardens. 

Botanical Name: Calla palustris

Common Name: Water Arum, Bog Arum, Swamp Lily, Wild Dragon, Wild Calla

Type: Rhizomatous, aquatic perennial

Flower Color: Showy, oval white spathe, bright red, pear shaped fruits ripen from green to bright red in late summer. Heart shaped leaves

Flowering Season: Spring to Summer

Plant Height: 6-12 in (15-30 cm)

Plant Spread: 6-12 in (15-30 cm)

Plant Spacing: 1-3 ft (30-91 cm)

Light Requirements: Partial Shade

Water Requirements: Moist, Wet. Requires Frequent Standing Water

Soil Requirements: Well-drained. Average. Clay, Loam (Silt), Sand (Prefers acidic, humus rich soil). 

USDA Zones: 4-8