Skip to content
The Doctor Is In cover art

All Episodes

The Doctor Is In — 100 episodes

#
Title
1

115. HVAC Cage Match! (How to Choose an HVAC System)

2

114. How to Reduce Fertilizer Use

3

113. How to Succeed with Irrigation

4

112. Introducing: How to Succeed in CEA Series

5

111. Indoor Ag Con 2026 Takeaways

6

110. Canadian Greenhouse Conference Takeaways

7

109. Dr. Greenhouse Lessons: What is VPD?

8

107. What Plants Crave feat. Gretchen Schimelpfenig: CEA Energy Management

9

106. What Plants Crave feat. Jeff Kelley: Energy Modeling in CEA

10

105. What Plants Crave feat. Dan Dettmers: Energy Codes and Standards for CEA

11

104. What Plants Crave feat. Sam Milton: Energy Efficiency and Incentives in CEA

12

103. What Plants Crave feat. Rob Eddy: Energy Saving Opportunities and Challenges in CEA

13

102. Dr. Greenhouse Lessons: What Is Energy?

14

101. A Look Back at the First 100 Episodes with Guest Host Tad Hussey

15

100. Indoor Ag Con 2025 Takeaways: Voices from the Industry on Automation, Energy, and the Future of CEA

16

99. That’s a Good Question!

17

98. Dr. Greenhouse Lessons: Are Air Purifiers Fake Technology?

18

97. Dr. Greenhouse Lessons: 3 Uses of Data in Your CEA Facility

19

96. Dr. Greenhouse’s 2025 Predictions: What’s Next for Energy, Technology, and Greenhouse Investment

20

95. What Plants Crave feat. Moein Moosavi: Steering Strawberry Propagation with Light and Temperature

21

94. Dr. Greenhouse Lessons: 5 Challenges of Mushroom Growing

22

93. Dr. Greenhouse Lessons: Controlling Cannabis Odors

23

90. Dr. Greenhouse Lessons: 5 Tips to Get the Most Out of Your AC

24

89. What Plants Crave feat. Fatemeh Sheibani: Using Close Canopy Lighting to Enhance Yields and Increase Energy Efficiency

25

88. What Plants Crave feat. Neil Mattson part 2

26

87. What Plants Crave feat. Neil Mattson part 1

27

86. What Plants Crave feat. Nico Augsburger: Data-Driven Lighting Solutions for a Smarter Growing Future

28

85. What Plants Crave feat. Emma Menden: Researching Lettuce Resilience and Pursuing Equity in CEA

29

84. What Plants Crave feat. John Ertle: Combatting Leaf Tipburn and Chilling Stress in Leafy Greens and Watermelons

30

83. What Plants Crave feat. Paul Brentlinger: Supporting Growers with Scalable and Sustainable Hydroponic Systems

31

82. What Plants Crave feat. Corenthin (Felix) Chassouant: Greenhouse Production in Tropical Regions

32

81. What Plants Crave feat. Aaron Fields: How Cooperative Competition in CEA Can Create Business and Industry Success

33

80. Dr. Greenhouse Lessons: 5 Things to Know About Airflow

34

79. Indoor Ag-Con 2024 Takeaways: Trends and Innovations from the Indoor Ag Industry’s Biggest Gathering

35

78. What Plants Crave feat. Dr. Allison Justice: The Science of Drying and Curing Cannabis

36

77. What Plants Crave feat. Bruce Bugbee: Lighting, Plant Physiology, and Growing Beyond Earth

37

76. What Plants Crave feat. John Libby: Veteran Perspectives on Cannabis Cultivation and Industry Growth

38

75. What Plants Crave feat. Brian Anderson: Designing Cannabis Facilities with Compliance and Efficiency in Mind

39

74. Return to the Roots: 2020 Interview with John Chandler

40

73. Return to the Roots: 2020 Interview with Dr. Mark Lefsrud

41

72. Return to the Roots: 2020 Interview with Allison Justice

42

71. Return to the Roots: 2020 Interview with Tom Buggia

43

70. Return to the Roots: 2020 Interview with Chris Higgins

44

69. What Plants Crave feat. Christine De Jesus: Living Soils Bonus Episode

45

68. 2023 Workshop Takeaways

46

67. Dr. Greenhouse Lessons: 3 Greenhouse Trends to Watch

47

66. Dr. Greenhouse Lessons: 6 Tips for Keeping Your Greenhouse Cool

48

65. Dr. Greenhouse Lessons: 4 Energy Efficiency Tips for Greenhouses

49

64. What Plants Crave feat. Dr. Melanie Yelton: Optimizing Plant Growth Through Light and Environmental Control

50

63. What Plants Crave feat. Craig Burg: Air Conditioning in CEA pt. 2: Future Trends in HVAC Technology for CEA

51

62. What Plants Crave feat. Craig Burg: Air Conditioning in CEA pt. 1: Designing HVAC Systems for Optimal Plant Environments

52

61. What Plants Crave feat. Dr. Gary Stutte: Plants on Earth and Space pt. 2

53

60. What Plants Crave feat. Dr. Gary Stutte: Plants on Earth and Space pt. 1

54

59. Indoor Ag-Con 2023 Takeaways: Insights and Trends from the Premier Indoor Agriculture Conference

55

58. What Plants Crave feat. Jim Rearden and Thad Humphrey: 30 Years of GH Heating and Cooling

56

57. What Plants Crave feat. Christine De Jesus: Integrating Sustainability and Craftsmanship in Cannabis Cultivation

57

56. Dr. Greenhouse Lessons: The CEH Ins and Outs of the New California Energy Code

58

55. What Plants Crave feat. Dan Dettmers: Follow the Moisture pt. 2

59

54. What Plants Crave feat. Dan Dettmers: Follow the Moisture pt. 1

60

53. What Plants Crave feat. Chris Higgins pt. 2: Continuing the Conversation on CEA Technological Evolution

61

52. What Plants Crave feat. Chris Higgins pt. 1: Launching 'What Plants Crave from Technology' with Industry Insights

62

51. What Plants Crave feat. Chris Chapdelaine and Andrew Alfred pt. 2

63

50. What Plants Crave feat. Chris Chapdelaine and Andrew Alfred pt. 1: Integrating Control Systems and Cultivation Research

64

49. Dr. Greenhouse Lessons: The Beauty of Short-Day Plants

65

48. Dr. Greenhouse Lessons: 6 HVAC Strategies to Control Air Quality

66

47. What Plants Crave feat. Jesce Horton: Crafting a Cannabis Brand

67

46. What Plants Crave feat. Salpy Boyajian: Insights into Cannabis Cultivation and Business Leadership

68

45. Grower’s Appreciation Week with Shannon Parkhill: Careers in Cannabis

69

43. What Plants Crave feat. Kelley Nicholson: IntelliKelley

70

42. Interview with Jaime Lewis pt. 2

71

41. Interview with Jaime Lewis pt. 1

72

40. 2022 Cannabis Conference Takeaways

73

39. What Plants Crave feat. Dr. Allison Justice: The Science of Drying and Curing Cannabis

74

38. What Plants Crave feat. Dan Albert

75

37. Dr. Greenhouse Lessons: Why HVAC is Important for CEA

76

36. Dr. Greenhouse Lessons: Why HVAC is Important

77

35. What Plants Crave feat. Ian Baker

78

34. What Plants Crave feat. Joe Swartz pt. 2

79

33. What Plants Crave feat. Joe Swartz pt. 1

80

32. What Plants Crave feat. Tad Hussey pt. 2

81

31. What Plants Crave feat. Tad Hussey pt. 1

82

30. What Plants Crave feat. Emily Churchill

83

29. What Plants Crave feat. Kathleen Debrota: The Flavor of Plants

84

28. What Plants Crave feat. Spring Workshop Attendees

85

27. What Plants Crave feat. Wayne Bishop: From Cuties to Cannabis

86

26. What Plants Crave feat. Angela Fulton

87

25. What Plants Crave feat. Dr. Mark Lefsrud: Tapping into Plant Intelligence

88

24. The Doctor Is In with Merle Jensen

89

23. The Doctor Is In: Calder Bethke at the University of Arizona’s CEAC facilities

90

22. The Doctor Is In: KC Shasteen and Chris Kaufmann in the CEAC Research Vertical Farm

91

21. The Doctor Is In: Michael Blum and Max Smith in the CEAC Teaching Greenhouse

92

20. The Doctor Is In: Megan Kane and the Lunar Mars Greenhouse

93

19. The Doctor Is In The Expo Hall: Indoor Ag Con 2022

94

18. What Plants Crave feat. Nick Denney: Steering for Cannabis Empowerment

95

17. What Plants Crave feat. Mallory Quinn

96

16. What Plants Crave feat. Michelle Hackett pt. 2: Creating a Viable Cannabis Industry

97

15. What Plants Crave feat. Michelle Hackett pt. 1: Cultivating Cannabis in Salinas

98

14. What Plants Crave feat. Travis Higginbotham: From Ornamentals to Cannabis Flower

99

13. What Plants Crave feat. Jeremy Shechter: Cultivating Culture in Cannabis

100

12. What Plants Crave feat. Tyler Baras: Less Is More

E