These orange carrots are known for their shorter, bulkier size which makes them perfect for growing in clay soils or difficult soils. 100 heirloom seeds per pack. HOW TO GROW: Press seeds into soil as soon as soil can be worked in spring. Germination may take weeks. Carrot seed needs to be continually moist for good germination, and likes cool temperatures. Can also be planted in earliest fall for late autumn harvest. Biennial. Free shipping on orders over $34. Botanical name: Daucus carota.