You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "Which plant is a perenial, Scilla or Hyoscyamus?" whose answer is Scilla.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Scilla perennial
Useful Output:

Doc 1: It is beneficial to cover the sowing with snow during the cooling-period. The temperature below it usually keeps in the optimum range of –4 to 0°C [25 to 32°F].
Doc 2: Life Cycle: Perennial. Family: Hyacinthaceae. Basic Colour: (violet). Flower Colour: purple. Natural Flowering Period: May - June.
Doc 3: Scilla is a perennial flower bulb so it comes back every year. On top of that, it's one of the most prolific naturalizers in bulb land. Once
Doc 4: Noteworthy Characteristics. Scilla siberica produces 3-4 thin scapes (3-6" high) with 1-3, drooping, bell-like, deep blue flowers with blue anthers per scape.
Doc 5: Genus. Scilla are perennial bulbs with narrow basal leaves and erect stems bearing racemes of star-shaped, flat or bell-shaped flowers which are often blue.