Table 2 Commercially available crown-cut broccoli cultivars marketed as “heat-tolerant” by seed companies, along with their typical harvest periods
Seed company | Cultivar | Harvest period | Stated heat tolerance claim |
|---|---|---|---|
Sakata Seed | Green Magic | December or March | “For summer harvest” |
Eastern Crown | October-November or January-March | “Performs well in long day length and moderate heat” | |
Emerald Star | January-March | “Performs best in cool to warm and warm to cool seasons” | |
Expo | January-February | “Performs well in warm to cool conditions” | |
Green Gold | January-February | “Heat-tolerant” | |
Gypsy | November-December | “Good heat tolerance” | |
Imperial | February-March | “Performs well in long day length and moderate heat” | |
Millennium | January-March | “Excellent heat tolerance” | |
Emerald Crown | December or March | “Growing season is warm to cool (not for rainy season)” | |
Tainong Seed | Kings Crown | February-March | “Heat tolerance” |
Power Dome | December-February | “Heat tolerance for summer” | |
Bayer (Seminis) | Castle Dome | December or February | “Heat-loving hybrid” |
Hancock | February-March | “Very good heat tolerance” | |
Lieutenant | November or February | “Impressive performer in Summer heat when well-watered” | |
Ironman | December-January | “Heat resistant” | |
Harris Moran | Asteroid | February-March | “Good heat tolerance” |
Virgo | February-March | “Heat-tolerant” |
