Tulip Humilis persian Pearl Is Brilliant For Bees & Has Jewel-coloured Petals Of violet & Yellow. A Tulip Bulb That Opens Wide In Spring Sunshine These Dainty Flowers Are A Magnet For Early Pollinators Like Aphid-eating Hoverflies.how You Receive Your Bulbsyou Receive Our Spring-flowering Bulbs In Autumn In A Plastic Mesh. This Is To Keep The Bulbs Together In A Pack Which Is Nice & Airy – Perfect To Keep The Bulbs Healthy While In Transit. can’t Plant Straight Away?keep Your Bulbs In A Cool, Light & Dry Place & Preferably Hanging On A Hook So That Air Can Get To The Bulbs At All Angles. Look To Planting Your Bulbs Within A Week Of Receiving Them.