Otto & Sons Nursery Catalog Filter Definitions

Definition: Indicates whether a product is currently available for purchase.

• Show All – Displays both available and unavailable plants.
• In Stock – Shows only plants currently available for ordering or pickup.

Definition: Groups plants and products into broad categories based on plant type or product purpose.

• Fertilizer – Soil supplements and plant nutrition products.
• Fruit – Plants or trees that produce edible fruit for harvest.
• General – Landscape plants that don’t fit into other categories.
• Mulch – Materials applied around plants or on the soil surface to enhance plant health.
• Perennial – Herbaceous plants that live and regrow over multiple years.
• Pest Control – Products used to manage unwanted plants or pests.
• Rose Bush – Rose bushes cultivated for their ornamental flowers.
• Rose Climbing – Roses with long canes that climb structures like trellises or fences.
• Rose Espalier – Roses trained flat against a support structure or wall.
• Rose Miniature – Small rose flowers and typically a smaller plant size.
• Rose Tree – Roses grafted onto a tall trunk to create a tree-like shape.
• Tree – Plants that usually have a single trunk growing tall and wide.

Definition: Botanical or horticultural classification of roses based on growth habit, flower form, and breeding lineage.

• Antique & Species – Old garden roses or naturally occurring wild rose species.
• Climbing – Roses with long, flexible canes usually over 6 feet, needing supports.
• David Austin® Rose – English roses bred by David Austin® combining old-rose fragrance with modern repeat blooming.
• David Austin® Climber – Climbing versions of David Austin® roses.
• Floribunda – Roses producing clusters of medium-sized flowers with continuous bloom.
• Grandiflora – Roses with large blooms on tall plants, combining traits of hybrid tea and floribunda roses.
• Groundcover – Low-growing spreading roses.
• Hybrid Tea – Classic rose type with large single blooms on long stems, commonly used for cut flowers.
• Miniature – Generally small rose plants with proportionally small flowers.
• Rugosa – Hardy roses derived from Rosa rugosa, known for disease resistance and textured leaves.
• Shrub – Large, bushy, disease-resistant roses used for landscape planting and hedges.

Definition: Plants that produce fruit or other plant parts that are desirable for eating.

Definition: Indicates the container size of the plant being sold (reflecting plant maturity and pot size).

Examples include:

• NO 01 / NO 02 / NO 03 / NO 05 / NO 07 / NO 15 / NO 25  – Nursery container trade sizes (larger numbers indicate larger pots).
• NO 01 Gal – One-gallon container.
• NO 02 Gal – Two-gallon container.
• Special codes – Container size combined with a specific branded pot.
  • B – Bountiful®
  • DA – David Austin® roses
  • Dr – Drift® Roses
  • Ko – Knock Out®
  • Tr – True® Roses
  • PW – Proven Winners®
  • JP – Jackson & Perkins® Roses
  • BX – wood tree box

Definition: Named breeding programs or branded rose series grouped by similar genetics, appearance, or performance traits.

Examples include:

• Arborose® – Climbing roses bred for arbor or trellis growing.
• Buck Rose Collection – Hardy roses bred by Dr. Griffith Buck for cold tolerance and disease resistance.
• Damask – Historic fragrant roses used for perfume.
• Downton Abbey™ – Roses inspired by the television series.
• Drift® Series – Compact landscape roses bred for continuous flowering.
• Earth-Kind® – Roses selected for exceptional disease resistance and low maintenance.
• Flower Carpet® – Groundcover roses known for mass flowering and durability.
• Knock Out® – Popular disease-resistant landscape roses with repeat blooms.
• Parfuma® – Roses bred for strong fragrance.
• Romantica® – Roses with old-garden appearance and modern repeat blooming.
• Sunbelt® Collection – Roses bred for heat and humidity tolerance.
• Veranda® Collection – Compact roses suited to containers and small gardens.

Definition: Filters roses by the color of their blooms (e.g., red, pink, yellow, white, multicolor). This helps gardeners select roses for aesthetic color schemes.

Definition: A rating that shows how well a rose variety resists common diseases like black spot or powdery mildew. Your local microclimate can make a rose with strong disease resistance more or less susceptible to disease.

• 1 – Average – Typical susceptibility; may require regular care.
• 2 – Good – Moderately resistant; fewer issues in most gardens.
• 3 – Strong – Highly resistant to disease.
• 4 – Very Strong – Exceptional disease resistance with minimal maintenance.

Definition: Diameter of the rose bloom, typically measured in spring. Flower size decreases in hot climates. This helps compare bloom size across different varieties.

Definition: Rating of the intensity of the flower’s scent. Fragrance comes from the oils that the flower or plant produces. As these oils evaporate, the fragrance will decrease. As we age, our sense of smell also decreases!

• 0 – No Fragrance
• 1 – Slight Fragrance
• 2 – Moderate Fragrance
• 3 – Strong Fragrance

Definition: The number of hours a fruit tree needs to experience winter temperatures usually below 45°F, minus the hours above 70°F during dormancy, to break dormancy, bloom, and produce fruit properly.

• Expressed as a numeric range (e.g., 150–250 hours).
• Lower chill requirements are suited for warm winter climates, while higher chill requirements are needed in colder regions.
• Example: A jujube listing may show 150–250 chill hours, indicating it requires relatively little winter cold.

Purpose of filter: Allows users to select fruit varieties that match the winter climate of their growing region. Historical Chill Hours Calculator: https://fruitsandnuts.ucdavis.edu/chill-calculator

Definition: A rating that shows how much water a plant usually needs for healthy growth. Many plants, once established, can survive a period with little to no water, but they won’t thrive.

Common scale used in the catalog:

Purpose of filter: Helps gardeners choose plants that are drought-tolerant, compatible with irrigation systems, or suitable for water-restricted landscapes. https://wucols.ucdavis.edu/

Definition: Indicates how well a plant tolerates various environmental conditions, such as:

• Heat
• Humidity
• Wind
• Coastal exposure

Purpose of filter: Allows users to identify plants that perform well under specific environmental stresses or climate conditions.

Definition: The individual, company, or breeding program responsible for developing or introducing a plant variety through selective breeding or hybridization.

Examples of common breeders that may appear in nursery catalogs include:

• Commercial rose breeders
• University breeding programs
• Specialty fruit breeders

Purpose of filter: Allows users to search by breeding program or plant origin, which is often associated with specific plant traits such as disease resistance or fragrance.

U.S. Patent Number

Definition: A Plant Patent (PP#) assigned by the United States Patent and Trademark Office (USPTO) that legally protects a newly developed plant variety.

Key characteristics:

• Gives the breeder exclusive rights to propagate and sell the variety for 21 years.
• Usually written as PP#### or USPP#####.

Purpose of filter: Allows users to identify patented plant varieties and distinguish them from older public-domain cultivars.

Definition: The official cultivar (registration) name assigned when a plant variety is registered with a horticultural authority by the breeder.

Important details:

• Often different from the marketing or trade name used in catalogs.
• Utilized for scientific identification and global plant registry records.
• For roses, registration names are recorded with the American Rose Society https://rose.org/modern-roses/

Example:

Purpose of filter: Allows searching plants by their official cultivar name used in breeding, patent filings, and botanical records.