Based on the most recent commercial planting, the yield is consistent with the cropping of a young Olinda Valencia grove. There has been no alternate bearing pattern.

The size of the fruit ranges in order of most to least: 88s, 113s, 138s, and 72s. The Rosy Red has a round shape with a smooth rind. The outer blush becomes more pronounced in April and throughout the summer.

In the last few years as the trees grow and new blocks come into production, we’ve seen a significantly higher volume of packed fruit.

Test plots established in 2014 with 400 trees have shown no vulnerabilities at this time. Commercial planting established in 2019 - 2020 demonstrates the trees grow well and set substantial fruit with both Carrizo and Rich 16 rootstock. Test trees and commercial planting have been monitored for trueness to type and the mutation is stable based on observation and testing since 2014.

Rosy Red plantings are located in several different places with distinct soils and microclimates.

The trees grow vigorously and on three different commercially grown rootstocks—Carrizo, Rich 16, and Macrophylla. Rosy Red grows well in the citrus belt and does not require special horticultural growing conditions.

Pruning recommendations are typical for suckering and shaping of any young Valencia tree. Fertilizer needs are typical of any young citrus planting. Rosy Red may be less attractive to certain citrus pests.

Since the Rosy Red is a brand new variety that has never been commercially grown before, it has been a journey to understand the tree and the characteristics of the fruit. As a result, we have closely observed, monitored, and recorded the growing practices to see how the tree behaves as naturally as possible to understand the baseline information of the trees.

We have gathered data for more than 10 years—since the first experimental planting—about how the tree grows and how it sets the fruit. For example, much of the mature fruit is located on the inside of the tree, making the fruit less sensitive to sunburn and giving the rind a more intense exterior blush.

Like any young tree, the Rosy Red needs fertilizer, either injected through the irrigation system or foliar or both. It is our general practice to fertilize using composted steer manure to build up the natural biome of the soil and improve nutrient uptake.

Trees are irrigated by fan jets or drippers to minimize loss of precious water outside the root zone of the tree. To date, the trees have been pruned minimally to preserve all of the new limbs to observe for any potential changes in the natural mutation of the Rosy Red.

Rosy Red is versatile, so there are many different ways in which it can be marketed.

• The Rosy Red has lycopene and beta carotene—these are antioxidant components present in the Rosy Red. See fun fact below.

• There is ongoing research investigating the health and medical benefits of the antioxidant components of pigmented citrus varieties. Several studies have been completed, including a recent study at the Department of Nutrition at UC Davis. Stay tuned for the results.

• The Rosy Red is more drinkable because the sugar to acid ratio produces a full-bodies, well-balanced juice.

• It can be displayed in market as an exciting new spring/summer citrus offering.

• The beautiful color is ideal for specialty juice products and appeals to the high-end food service market—cocktails, ingredients in dishes, and peel for pretty garnish.

• Since the Rosy Red is a protected patented variety that is only grown by TreeSource Nursery, our program will keep the volume in line with pricing and create a more profitable niche market for this versatile product.

• Rosy Red was discovered in the California citrus belt and is confirmed for growing conditions of the Central Valley.

There are Rosy Red trees available on Rich 16, Carrizo, and Macrophylla for planting in 2026 from TreeSource Nursery exclusively. They are available on a first-come, first-served basis. Orders for these trees are being processed by TreeSource Nursery right now.

Contact Nancy and, if possible, come out to the original 10-acre commercial planting and see these very special trees for yourself.