98-105 days. Picobella seeds promise one of summer's most exclusive, vibrant, yet smallest petunias grown in any home or garden. Picobella petunia seeds mature to compact 8-10" tall dwarfed mounds boasting mini 2-3 inch blooms available in many classic and novelty colors. Picobella petunias are a floral shop favorite as tight and compact grow perfect for baskets and seasonal centerpieces. Picobella petunia seeds are an ideal grow for patios and planters, yet hardy enough garden performer to deliver season-long color up until the frost. Pelleted seeds.