Calla Lily (Zantedeschia aethiopica) – Timeless Elegance from Seed Few flowers command attention like the Calla Lily. With its sweeping,... Read more
$18.19
Few flowers command attention like the Calla Lily. With its sweeping, trumpet-shaped blooms and deep emerald foliage, Zantedeschia aethiopica has graced wedding bouquets, garden borders, and fine art for centuries. Growing Calla Lilies from seed is a rewarding journey — and with the right conditions, you'll be rewarded with stunning blooms in late spring through midsummer, available in classic white or rich purple.
These are vigorous, open-pollinated seeds suited for containers, garden beds, and indoor growing. Choose your color: the iconic White Calla Lily for timeless purity, or the dramatic Purple Calla Lily for bold, modern impact.
1. Choose your container
Use any container at least 2–3 inches deep with drainage holes. Yogurt cups, milk cartons, or seed trays all work well for starting indoors.
2. Use the right soil
Always use fresh, sterile seed-starting mix — never garden soil or reused potting mix, which can harbor disease and compact around delicate roots.
3. Sow seeds
Sprinkle seeds on the soil surface and cover with no more than 1/16 inch of mix. Moisten gently. Cover with a plastic dome or damp paper to retain humidity until germination. Remove cover at first signs of green.
4. Water & feed
Keep soil consistently moist but never soggy. Allow slight drying between waterings. Feed seedlings with liquid fertilizer every 1–2 weeks once established.
5. Provide light
Filtered bright light is ideal — avoid harsh direct sun during germination. Once sprouted, provide 15 hours of light daily (grow lights or south-facing window). Rotate pots regularly for even growth.
6. Harden off before transplanting
About 1 week before moving outdoors, gradually expose seedlings to outdoor conditions — start with a few hours of sheltered shade, increasing sun and wind exposure daily over 7–10 days.
How long do Calla Lily seeds take to germinate?
Expect germination in 10–14 days at 68–72°F (20–22°C). Keeping the soil consistently moist and covering with a humidity dome will speed up the process.
Can I grow Calla Lilies indoors?
Yes — Calla Lilies make excellent indoor plants in bright, filtered light. Use a well-draining pot and avoid overwatering. They'll bloom beautifully on a bright windowsill.
What is the difference between White and Purple Calla Lily seeds?
Both are the same species (Zantedeschia aethiopica) with identical growing requirements. The difference is purely aesthetic — white for classic elegance, purple for bold, dramatic color.
Do Calla Lilies come back every year?
In USDA Zones 8–10, Calla Lilies can overwinter in the ground. In colder zones (4–7), dig up the rhizomes after the first frost and store indoors over winter, or grow as annuals.
Are Calla Lilies toxic to pets?
Yes — Calla Lilies contain calcium oxalate crystals and are toxic to cats, dogs, and horses if ingested. Plant in areas inaccessible to pets and handle with care.
