This printable crossword puzzle on the topic of Plants & Botany has 20 clues. Answers range from 7 to 24 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
The average date of the last 32 degrees freeze in the spring
Germinate well in cool soil and can withstand light frosts
Withstand freezing temperatures and hard frosts without injury
Withstand light frosts, can germinate in cool soils
Germinate and grow only in warm soil
Injured or killed by frost
Intolerant of frost and cold. Required warm air temperature and soil to germinate
A garden planted in late summer and harvested in the fall before frost
Seed produced by crossing two parental lines
Hybrid chosen as a superior performer by a non-profit organization sponsored by the American seed trade
Water-soluble plastic tapes
Seeds are planted one at a time
Seeds are planted in groups of usually two or three in a hill
Covering the soil around vegetable plants with natural or synthetic materials to moderate temperature
Materials from plants or animanute
Human-made materials
The filling of trenches between rows with water
Uses a tube or hose usually at low pressure, to drive water directly to a row
Materials derived from living organisms
Chemical compounds not produced from living organisms