Gerhard: L pardalinum seeds respond well to about 3 months cold treatment but more will not harm them as long as you monitor dampness of the medium. They are ready to plant in "warm" (I set out in pots in the garden any time after they sprout) conditions when a white root is visible. The seed coat will still be attached and there may be a cotyledon emerging opposite the root. I spread the seed on the growing medium and cover with about 3/4 inch medium. Once they emerge from the medium as small plants, you should protect from hard frosts and preditors such as slugs and birds. In the California sub-alpine/mediterranean climate where they grow wild, the sprouting medium is usually saturated peaty soil which provides a temperate condition during spring weather variations. In the garden, damp, well-drained mulchy soil will enable pardalinum to grow and bloom and hopefully multiply. They like tight cool growing quarters and even slab rock beneath them, provided the drainage isn't impaired. John Longanecker, zone 7 banana belt Sierra Nevada foothills, CA