Diptyque Heliotrope Classic Candle. Heliotrope has a sweet, floral, and slightly nutty aroma with notes of vanilla and almond: Sweet: Heliotrope has a sweet, creamy vanilla smell. Floral: Heliotrope has a strong floral smell with light and powdery notes. Warm: Heliotrope has woody undertones that give it a cozy warmth. Heliotrope is often used as a base note in perfumes because of its strong, long-lasting aroma. It can help anchor other scents in the fragrance. Heliotrope pairs well with vanilla and sandalwood. Heliotrope is also known as the "cherry pie flower". It's a member of the borage family and is native to Peru. Heliotrope plants bloom in the spring and produce small, yellow flowers that look like pom-poms.