The next layer adds height, so Lux chooses Barleria (figure O) for the center. He leaves just enough space around it for the medium layer, which features plants that grow taller than the low-growing plants, but lower than the tallest plants. In keeping with the chartreuse and burgundy theme, he adds some coleus and Heuchera on either side of the Barleria, molding the plants into available spaces. He sprinkles soil into any empty areas left in the basket. Finally, he gives the basket a comprehensive watering. Lux suggests watering thoroughly, while still allowing the basket to dry out a little between watering. Before hanging, make sure the basket chain is hanging from a sturdy hook that's rated for the weight of the pot and is anchored in solid wood. Lux warns that a wet basket weighs a lot more than a dry basket. So make sure the structure the basket hangs from is strong enough to support a full, wet basket. Lux's sample basket planting should last three years or more. To help keep it nutrient-rich, you can add an organic fertilizer every four months or so.
"Keep in mind that annuals like lobelia may need to be replaced, but as the rest of the plants grow, they'll fill in the holes nicely," says James. If you want to know when to water your moss-lined basket, give it a gentle tap on the bottom. If the moss feels moist, it doesn't require additional watering, but if it's dry and crispy, it needs a good soaking.