Creating a celestial-themed outdoor plant box is a magical way to bring the beauty of the night sky into your garden. To achieve this ethereal look, focus on plants with silvery foliage, star-shaped leaves, and flowers that bloom at night or glow under moonlight.

1. Moonflower (Ipomoea alba) – These stunning white flowers unfurl at dusk, emitting a delicate fragrance and glowing under moonlight, perfect for a moon garden.

2. Lamb’s Ear (Stachys byzantina) – With its soft, silvery leaves, this plant mimics the shimmer of stars and adds a tactile element to your arrangement.

3. Silver Dust (Jacobaea maritima) – Its dusty silver foliage resembles a starry sky, making it an ideal filler plant for celestial themes.

4. Evening Primrose (Oenothera biennis) – These yellow blooms open in the evening, attracting nocturnal pollinators and adding a warm glow.

5. Star Jasmine (Trachelospermum jasminoides) – A climbing vine with star-shaped flowers that release a heavenly scent at night.

For extra enchantment, incorporate plants with reflective foliage or pale blooms that catch the moonlight. Pair them with decorative elements like small fairy lights or metallic accents to enhance the celestial vibe. Whether you’re crafting a moon garden or a starry oasis, these plants will transform your outdoor plant box into a dreamy, otherworldly retreat.