Hertseed or Heartseed: How To spell?

The word Hertseed is misspelled against Heartseed, a noun meaning "A climbing plant of the genus Cardiospermum, having round seeds which are marked with a spot like a heart."

Heartseed has vowels 'ea' together mispronounced as 'e'
Word contains consecutive vowels 'EA' in between alphabets h & rtseed is misspelled as 'E'
Wrong Spelling: h-e-rtseed
Correct Spelling: h-ea-rtseed
Explore spell check of Heartseed to spell without errors.