Q: How long do house leek seeds take to germinate?
A: Under warm, bright and well‑drained conditions, seeds sprout within 7‑21 days.
Q: Can house‑leek survive freezing cold winter?
A: Yes, Sempervivum house‑leek is extremely cold‑hardy and can endure freezing temperatures down to ‑40℃.
Q: Why does my house‑leek rot easily?
A: Root and leaf rot is mostly caused by overwatering, stagnant water and poor‑dense heavy soil.
Q: Will the main rosette die after blooming?
A: The mature mother rosette dies after summer flowering, while plenty of baby offsets will keep growing and spread out.
Q: Storage tips for leftover house leek seeds
A: Seal seeds inside dry breathable packages, store under cool dry shaded surroundings and stay away from dampness, high‑temperature heat and mould.