Instruction: First, identify the target attributes from the provided list. Then, scan the product title, description, feature, and brand to extract the values associated with each target attribute. Finally, create a list of dictionaries, each containing the extracted attribute, its corresponding value, and the source where it was found.

Input:
Product title: Trailing PETUNIA ~Mixed Colors~ "Hybrida Pendula" 25+ Annual Seeds
Product description: All our plants are organically grown: World renowned for their flower power, weather resistance, color range and versatility. With their long trailing stems, reaching up to 35", Trailing Petunias are ideal for creating a cascade of color from hanging baskets, flower pouches and containers. For a less formal display, let these vigorous trailing petunias tumble over walls in a wave of trumpet shaped blooms. Trails to: 35". Annual in zones 4-11. Planting instructions come with every seed packet.
Product feature: Fresh harvest, Hand sorted and packed by Sidor family., Detailed planting instructions come with every seed packet.
Product price: $1.95
Product brand: Helens Garden
Target attributes: Cat Plant Variety
Answer: attribute: cat plant variety
value: None
source: None