1️⃣ Choose a Sunny Spot: Gladioli thrive in full sun and well-drained soil. ???? How to Plant Your Gladiolus Bulbs ???? Why Choose Gladiolus 'Soul'?. ???? 10 Fresh, Healthy Gladiolus 'Soul' Bulbs. 3️⃣ Plant with Precision: Place bulbs pointed end up, cover with soil, and press gently to secure.