UP FOR SALE IS Feverfew snowball, Chrysanthemum tanacetum partheniun 'Floro pleno'. 200 seeds.
Feverfew snowball is a true garden workhorse, just one plant is loaded with hundreds of the most adorable, white button flowers that reveal soft yellow centers. this strong grower has a sturdy, upright, branching habit. it blooms from late spring in to fall. she is a beautiful bedding plant as well as in pots and makes a wonderful bouquet filler. she will do well in dry soil as well as regular garden watering, do not over water, she gets stem rot when too wet. feverfew will reseed easily so is a good choice for naturalizing. 
Feverfew is a bitter herb, long used as a treatment for arthritis and migraine and associated symptoms, such as nausea, vomiting and indigestion. the leaves can also be made into a pain-soothing poultice for limb and joint aches.
harvest the leaves before the plant blooms for medical use.
the flowering stems can be used as an insect repellant and to keep moths from clothing.
perennial
Zone: 6-10
Sun: part shade to full sun.
Water: regular too low. 
Soil: rich, well-draining soil.
Height: 1-2' tall. 
Bloom time: late spring to fall.