Cottonwood seeds.
Because they super seeds can get rarer moshlings but not so sure sorry!
That actually depaends on your climate and in what hemesphere your domicle. If in teh northern hemesphere youd start to plant cabbage seends aroudnabout april for internal growing(bringing on) then outside when the chances of cold snaps and frosts are over. Water melon can also start about april under warm conditions ie in a house or green house and out then to start ground growth in early may.
Warfarin. It is a white crystalline compound that is used to kill rats and other rodents.Warfarin is also used as a medicine for people, to make their blood thinner so that it does not coagulate so easily.Other answersBromadiolone is also found in rat poisons and is composed of bromine, a poisonous element.Ipratropium bromide is a medication used as a bronchodilator - it assists breathing for patients with lung damage or asthma-type ailments.Note that warfarin, bromadiolone, and iprtropium bromide are compounds rather than elements.A common element used in rat poison is Arsenic, although there are other components such as zinc phosphide, bromethalin, and cholecalciferon.Thallium is higly toxic, is used in rat poison (though it's currently banned in the US) and a radioactive form (thallium-201) is used in cardiac testing.