Ornamental types — Plum 'Princess Kay'
Prunus nigra 'Princess Kay'
Ornamental types — Plum 'Princess Kay' (Prunus nigra 'Princess Kay') is a tree suited to the Colorado Front Range, rated "Recommended for Most Sites" on the 2024 Front Range Tree Recommendation List. It matures to about 10–15 ft tall and 6–10 ft wide, and needs low to medium water. Plant Select® variety; suckers when mature.
low to medium water10–15 ft tall and 6–10 ft wideXeric / water-wiseToxic to dogs
Photos



At a glance
- Rating
- Recommended for Most Sites
- Botanical name
- Prunus nigra 'Princess Kay'
- Variety / cultivar
- Plum 'Princess Kay'
- Type
- Tree
- Mature size
- 10–15 ft tall and 6–10 ft wide
- Water needs
- low to medium water
- Colorado native
- No
- Foliage
- Deciduous
- Soil
- clay, loam, sandy
- Soil pH
- 6.0–8.2
- Hail tolerance
- moderate
- Wind tolerance
- moderate
- Salt tolerance
- moderate
- Bloom time
- early spring, mid spring
Site factors to consider
- Watch: Suckers
Planting & establishment
Water deeply every 7–10 days through the first 2 summers. Winter water 1–2×/month October–March when soil is dry and unfrozen — winter desiccation is a top killer of newly-planted trees. Year 3: taper to 2×/month in summer, then rely on natural precipitation.
Frequently asked questions
- Is Ornamental types — Plum 'Princess Kay' good for the Colorado Front Range?
- Yes. Ornamental types — Plum 'Princess Kay' is included in the Front Range Plant Finder as a tree suited to Colorado's Front Range, rated "Recommended for Most Sites" on the 2024 Front Range Tree Recommendation List.
- How big does Ornamental types — Plum 'Princess Kay' get?
- It matures to about 10–15 ft tall and 6–10 ft wide.
- How much water does Ornamental types — Plum 'Princess Kay' need?
- It needs low to medium water once established.
- Is Ornamental types — Plum 'Princess Kay' safe for dogs?
- No — Ornamental types — Plum 'Princess Kay' is considered toxic to dogs. Keep pets away and check with your vet.