There is plenty of room in the main Garden. The Japanese Garden, no.
Food is allowed but to eat at specific place with mentain cleanliness
The Botanic Gardens have acres of space for picnics. Have a ball there and spend time in the Japanese Gardens before or after that. The whole area is beautiful and well worth your time.
Not inside the Japanese gardens, but you may have picnics on the grounds of the botanical gardens.
Yes, you can picnic there.
Not in the Japanese garden.
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