| Crop | Inches/acre | Critical Need Stage |
|---|---|---|
| Asparagus | 10 - 18 | establishment and fern development |
| Bean, green | 10 - 15 | bloom and pod set |
| Bean, pinto | 15 - 20 | bloom and pod set |
| Beet, table | 10 - 15 | establishment and early growth |
| Broccoli | 20 - 25 | establishment and heading |
| Cabbage | 20 - 30 | uniform throughout growth |
| Cantaloupe | 13 - 20 | establishment vining to first net |
| Carrot | 10 - 15 | emergence through establishment |
| Cauliflower | 20 - 30 | establishment and 6 - 7 leaf stage |
| Celery | 30 - 35 | uniform, last mont of growth |
| Collards/kale | 12 - 14 | uniform throughout growth |
| Corn, sweet | 20 - 35 | establishment, tassel elongation, ear development |
| Cowpea | 10 - 15 | bloom, fruit set, pod development |
| Cucumber, pickle | 15 - 20 | establishment, vining, fruit set |
| Cucumber, slicer | 20 - 25 | establishment, vining, fruit set |
| Eggplant | 20 -35 | bloom through fruit set |
| Garlic | 15 - 20 | rapid growth to maturity |
| Lettuce | 8 - 12 | establishment |
| Mustard green | 10 - 15 | uniform throughout growth |
| Okra | 15 - 20 | uniform throughout growth |
| Onion | 25 - 30 | establishment, bulbing to maturity |
| Pepper, bell | 25 - 35 | establishment, bloom set |
| Pepper, jalapeno | 25 - 30 | uniform throughout growth |
| Potato | 20 - 40 | vining, bloom, tuber initiation |
| Pumpkin | 25 - 30 | 2-4 wks after emergence, bloom, fruit set and development |
| Radish, red globe | 5 - 10 | rapid growth and development |
| Spinach | 10 - 15 | uniform throughout growth, after each cut if needed |
| Squash | 7 - 10 | uniform throughout growth |
| Sweetpotato | 10 - 20 | uniform until 2 - 3 wks prior to anticipated harvest |
| Tomato | 20 - 25 | bloom through harvest |
| Turnip | 10 - 15 | uniform throughout growth |
| Watermelon | 10 - 15 | uniform until 10 - 14 days prior to anticipated harvest |
Crop Water Requirements
Dr. Joe MasabniPatrick Lillard
Department of Horticulture
Texas AgriLife Extension Service

