It seems like you're looking for information about "ramba malli" in the context of gardening and its use in a 1-inch size. However, "ramba malli" is not a commonly recognized term in gardening or horticulture, at least based on my knowledge up to January 2023.
If "ramba malli" is a specific plant, you might want to provide more information or clarify its botanical name or common name so I can provide you with more accurate information. Additionally, if you have specific questions about gardening or plants, feel free to ask, and I'll do my best to assist you
