Field Notes – PupfishCo.

A close-up shot of a young saguaro cactus seedling thriving in a rocky desert garden, showcasing its initial growth stages and adaptation to the arid environment.

Starting Saguaro from Seed

Learn the basics of germinating saguaro seeds and nurturing young cacti in the challenging Sonoran Desert climate. Essential tips for success.

A thriving vegetable garden in the Sonoran Desert, featuring drought-tolerant plants like tomatoes, peppers, and squash, all flourishing under a shade structure.

Desert Vegetable Gardening 101

Discover how to grow your own fresh produce in the desert with our guide to selecting the right plants and implementing water-wise techniques.

A detailed image of a drip irrigation system efficiently watering a row of desert-adapted trees, highlighting the importance of water conservation.

Efficient Desert Irrigation

Master the art of efficient irrigation in the desert, ensuring your plants receive the right amount of water without wasting precious resources.

A vibrant photograph of native wildflowers blooming in the Sonoran Desert after a rainfall, showcasing the beauty and resilience of desert flora.

Native Wildflower Guide

Explore the diverse world of Sonoran Desert wildflowers and learn how to cultivate these resilient beauties in your own garden.

A close-up shot of a row of young mesquite trees planted in a desert field, with varying levels of growth and health, showcasing a field trial on different irrigation methods.

Mesquite Irrigation Trial

This trial compares different irrigation techniques for young mesquite trees. We're observing growth rates and survival in the harsh Sonoran Desert environment.

Image of several varieties of native wildflowers blooming in adjacent plots, demonstrating a field trial to determine the best species for attracting pollinators in Tucson.

Wildflower Pollinator Attractants

We're testing which native wildflower species attract the most pollinators to urban gardens. Results will inform recommendations for local gardeners.

A photo of different soil amendment mixes being applied to raised garden beds, part of a field trial to assess their impact on vegetable yields.

Soil Amendment Impact on Yield

This trial examines how different soil amendments affect vegetable yields in raised beds. We're tracking growth and harvest data carefully.

Image of various types of shade cloth being used over rows of pepper plants, illustrating a field trial on heat stress reduction in desert agriculture.

Pepper Plant Shade Cloth Trial

We're evaluating the effectiveness of different shade cloths in reducing heat stress on pepper plants. Data includes temperature and fruit production.

Practical Notes By Topic

Organized observations on watering, heat, and more for desert gardening.

The Best Place to Store Water in Tucson Is in the Soil

We talk a lot about water in Tucson as if the problem is simply that

When to Plant Tomatoes, Peppers, and Basil in Tucson: Timing, Climate, and History

Why growing food in Tucson is really about timing and risk When asked when to

Observations

Organized records of what was seen, noted, or documented under real conditions, emphasizing careful attention and honesty.

The Best Place to Store Water in Tucson Is in the Soil

We talk a lot about water in Tucson as if the problem is simply that

When to Plant Tomatoes, Peppers, and Basil in Tucson: Timing, Climate, and History

Why growing food in Tucson is really about timing and risk When asked when to

A close-up photograph showing two groups of germinating desert wildflower seeds, one watered with tap water and the other with rainwater, highlighting the difference in germination rates.

Rainwater vs. Tap Water Germination

This experiment demonstrated that rainwater significantly improves the germination rate of desert wildflower seeds compared to tap water, likely due to lower mineral content.

A split-screen image showing two identical plots of desert-adapted tomatoes, one mulched with straw and the other with gravel, illustrating the impact on soil temperature and moisture retention.

Mulch Type and Tomato Yield

Straw mulch resulted in higher tomato yields compared to gravel mulch, indicating better soil temperature regulation and moisture retention in the Sonoran Desert climate.

A photograph comparing the root systems of two mesquite seedlings, one inoculated with mycorrhizae and the other uninoculated, showcasing the enhanced root development.

Mycorrhizae and Mesquite Growth

Inoculating mesquite seedlings with mycorrhizae significantly enhanced root development, leading to improved water and nutrient uptake in the harsh desert environment.

An image showing two sets of desert succulents, one shaded with a 30% shade cloth and the other exposed to full sun, demonstrating the effect on leaf color and overall health.

Shade Cloth and Succulent Health

Using a 30% shade cloth improved the health and vibrancy of desert succulents, preventing sunburn and reducing water stress during peak summer months.